103131662464 has 32 divisors (see below), whose sum is σ = 206067361500. Its totient is φ = 51412795392.

The previous prime is 103131662449. The next prime is 103131662479. The reversal of 103131662464 is 464266131301.

It is an interprime number because it is at equal distance from previous prime (103131662449) and next prime (103131662479).

It can be written as a sum of positive squares in 2 ways, for example, as 98721640000 + 4410022464 = 314200^2 + 66408^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×103131662464² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1152289 + ... + 1238560.

Almost surely, 2^103131662464 is an apocalyptic number.

It is an amenable number.

103131662464 is a deficient number, since it is larger than the sum of its proper divisors (102935699036).

103131662464 is an equidigital number, since it uses as much as digits as its factorization.

103131662464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2391200 (or 2391188 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

Adding to 103131662464 its reverse (464266131301), we get a palindrome (567397793765).

The spelling of 103131662464 in words is "one hundred three billion, one hundred thirty-one million, six hundred sixty-two thousand, four hundred sixty-four".