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131012140021131 = 3103732157913879
BaseRepresentation
bin11101110010011110100100…
…000100010011010110001011
3122011212122020022000200111010
4131302132210010103112023
5114133000330321134011
61142350051331135003
736411212651013225
oct3562364404232613
9564778208020433
10131012140021131
1138820a33620736
121283b044744463
1358145129cc385
14244d042a71415
151022dd69dd1a6
hex7727a411358b

131012140021131 has 16 divisors (see below), whose sum is σ = 176402898613760. Its totient is φ = 86481635739840.

The previous prime is 131012140021123. The next prime is 131012140021157. The reversal of 131012140021131 is 131120041210131.

It is a happy number.

It is not a de Polignac number, because 131012140021131 - 23 = 131012140021123 is a prime.

It is a super-2 number, since 2×1310121400211312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131012140021098 and 131012140021107.

It is not an unprimeable number, because it can be changed into a prime (131012140021121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26694751 + ... + 31219128.

It is an arithmetic number, because the mean of its divisors is an integer number (11025181163360).

Almost surely, 2131012140021131 is an apocalyptic number.

131012140021131 is a deficient number, since it is larger than the sum of its proper divisors (45390758592629).

131012140021131 is a wasteful number, since it uses less digits than its factorization.

131012140021131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57921306.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 131012140021131 its reverse (131120041210131), we get a palindrome (262132181231262).

The spelling of 131012140021131 in words is "one hundred thirty-one trillion, twelve billion, one hundred forty million, twenty-one thousand, one hundred thirty-one".

Divisors: 1 3 103 309 7321 21963 754063 2262189 57913879 173741637 5965129537 17895388611 423987508159 1271962524477 43670713340377 131012140021131