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3130123033331 = 723127915200749
BaseRepresentation
bin101101100011001001110…
…111110001101011110011
3102002020101122201021001222
4231203021313301223303
5402240442444031311
610353543023415255
7442100236535150
oct55431167615363
912066348637058
103130123033331
11aa7528939648
1242677ba5452b
13199228051208
14ab6da86b227
155664d2abadb
hex2d8c9df1af3

3130123033331 has 16 divisors (see below), whose sum is σ = 3735736320000. Its totient is φ = 2564305384608.

The previous prime is 3130123033267. The next prime is 3130123033361. The reversal of 3130123033331 is 1333303210313.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3130123033331 - 26 = 3130123033267 is a prime.

It is a super-2 number, since 2×31301230333312 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3130123033331.

It is not an unprimeable number, because it can be changed into a prime (3130123033361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7394456 + ... + 7806293.

It is an arithmetic number, because the mean of its divisors is an integer number (233483520000).

Almost surely, 23130123033331 is an apocalyptic number.

3130123033331 is a deficient number, since it is larger than the sum of its proper divisors (605613286669).

3130123033331 is a wasteful number, since it uses less digits than its factorization.

3130123033331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15202058.

The product of its (nonzero) digits is 4374, while the sum is 26.

Adding to 3130123033331 its reverse (1333303210313), we get a palindrome (4463426243644).

The spelling of 3130123033331 in words is "three trillion, one hundred thirty billion, one hundred twenty-three million, thirty-three thousand, three hundred thirty-one".

Divisors: 1 7 23 161 1279 8953 29417 205919 15200749 106405243 349617227 2447320589 19441757971 136092305797 447160433333 3130123033331