101612644431 has 16 divisors (see below), whose sum is σ = 135842420064. Its totient is φ = 67562532864.

The previous prime is 101612644391. The next prime is 101612644447. The reversal of 101612644431 is 134446216101.

It is not a de Polignac number, because 101612644431 - 2⁷ = 101612644303 is a prime.

It is a super-2 number, since 2×101612644431² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101612644392 and 101612644401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101612644031) 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, 1907251 + ... + 1959803.

It is an arithmetic number, because the mean of its divisors is an integer number (8490151254).

Almost surely, 2^101612644431 is an apocalyptic number.

101612644431 is a deficient number, since it is larger than the sum of its proper divisors (34229775633).

101612644431 is a wasteful number, since it uses less digits than its factorization.

101612644431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54250.

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 101612644431 in words is "one hundred one billion, six hundred twelve million, six hundred forty-four thousand, four hundred thirty-one".