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3131010132021 = 334110192775637
BaseRepresentation
bin101101100011111110101…
…111110010100000110101
3102002022200110221112201000
4231203332233302200311
5402244302043211041
610354211033153513
7442131231001542
oct55437657624065
912068613845630
103131010132021
11aa7943659a62
12426988b5b899
13199339a7b595
14ab7825c9bc9
15566a10dabb6
hex2d8febf2835

3131010132021 has 32 divisors (see below), whose sum is σ = 4756333276800. Its totient is φ = 2034430162560.

The previous prime is 3131010131999. The next prime is 3131010132043. The reversal of 3131010132021 is 1202310101313.

3131010132021 is a `hidden beast` number, since 3 + 1 + 310 + 10 + 1 + 320 + 21 = 666.

It is an interprime number because it is at equal distance from previous prime (3131010131999) and next prime (3131010132043).

It is not a de Polignac number, because 3131010132021 - 25 = 3131010131989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3131010131985 and 3131010132003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131010132121) 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, 259786 + ... + 2515851.

It is an arithmetic number, because the mean of its divisors is an integer number (148635414900).

Almost surely, 23131010132021 is an apocalyptic number.

It is an amenable number.

3131010132021 is a deficient number, since it is larger than the sum of its proper divisors (1625323144779).

3131010132021 is a wasteful number, since it uses less digits than its factorization.

3131010132021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2776706 (or 2776700 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 3131010132021 its reverse (1202310101313), we get a palindrome (4333320233334).

The spelling of 3131010132021 in words is "three trillion, one hundred thirty-one billion, ten million, one hundred thirty-two thousand, twenty-one".

Divisors: 1 3 9 27 41 123 369 1019 1107 3057 9171 27513 41779 125337 376011 1128033 2775637 8326911 24980733 74942199 113801117 341403351 1024210053 2828374103 3072630159 8485122309 25455366927 76366100781 115963338223 347890014669 1043670044007 3131010132021