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31146695118053 = 43172266113963
BaseRepresentation
bin1110001010011111001111…
…01100101100110011100101
311002021121001201212022002122
413011033213230230303211
513040301412422234203
6150124332203115325
76363163066152164
oct705174754546345
9132247051768078
1031146695118053
119a1926a4463a9
1235b0531212b45
13144c175385a98
147997182973db
153902e4e05538
hex1c53e7b2cce5

31146695118053 has 4 divisors (see below), whose sum is σ = 31218961232448. Its totient is φ = 31074429003660.

The previous prime is 31146695118013. The next prime is 31146695118101. The reversal of 31146695118053 is 35081159664113.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31146695118053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31146695117986 and 31146695118004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31146695118013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36133056551 + ... + 36133057412.

It is an arithmetic number, because the mean of its divisors is an integer number (7804740308112).

Almost surely, 231146695118053 is an apocalyptic number.

It is an amenable number.

31146695118053 is a deficient number, since it is larger than the sum of its proper divisors (72266114395).

31146695118053 is an equidigital number, since it uses as much as digits as its factorization.

31146695118053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72266114394.

The product of its (nonzero) digits is 2332800, while the sum is 53.

The spelling of 31146695118053 in words is "thirty-one trillion, one hundred forty-six billion, six hundred ninety-five million, one hundred eighteen thousand, fifty-three".

Divisors: 1 431 72266113963 31146695118053