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231102403002042 = 2311131272120867087
BaseRepresentation
bin110100100010111110111000…
…101000110011111010111010
31010022021011200211001201212220
4310202332320220303322322
5220242340210132031132
62135302551150544510
766451411661640315
oct6442767050637272
91108234624051786
10231102403002042
11676aaa847383a0
1221b0523b208136
139bc4b2b2a35a0
14410d5b767997c
151bab785784a2c
hexd22fb8a33eba

231102403002042 has 64 divisors (see below), whose sum is σ = 547285510324224. Its totient is φ = 64135020680640.

The previous prime is 231102403001999. The next prime is 231102403002047. The reversal of 231102403002042 is 240200304201132.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (231102403002047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1060324578 + ... + 1060542509.

It is an arithmetic number, because the mean of its divisors is an integer number (8551336098816).

Almost surely, 2231102403002042 is an apocalyptic number.

231102403002042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

231102403002042 is an abundant number, since it is smaller than the sum of its proper divisors (316183107322182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231102403002042 is a wasteful number, since it uses less digits than its factorization.

231102403002042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2120867243.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 231102403002042 its reverse (240200304201132), we get a palindrome (471302707203174).

The spelling of 231102403002042 in words is "two hundred thirty-one trillion, one hundred two billion, four hundred three million, two thousand, forty-two".

Divisors: 1 2 3 6 11 13 22 26 33 39 66 78 127 143 254 286 381 429 762 858 1397 1651 2794 3302 4191 4953 8382 9906 18161 36322 54483 108966 2120867087 4241734174 6362601261 12725202522 23329537957 27571272131 46659075914 55142544262 69988613871 82713816393 139977227742 165427632786 269350120049 303283993441 538700240098 606567986882 808050360147 909851980323 1616100720294 1819703960646 2962851320539 3501551560637 5925702641078 7003103121274 8888553961617 10504654681911 17777107923234 21009309363822 38517067167007 77034134334014 115551201501021 231102403002042