31102423401 has 16 divisors (see below), whose sum is σ = 47403699200. Its totient is φ = 17769239568.

The previous prime is 31102423397. The next prime is 31102423427. The reversal of 31102423401 is 10432420113.

It is not a de Polignac number, because 31102423401 - 2² = 31102423397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31102423441) 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, 40141 + ... + 252618.

It is an arithmetic number, because the mean of its divisors is an integer number (2962731200).

Almost surely, 2^31102423401 is an apocalyptic number.

It is an amenable number.

31102423401 is a deficient number, since it is larger than the sum of its proper divisors (16301275799).

31102423401 is a wasteful number, since it uses less digits than its factorization.

31102423401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297828.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 31102423401 its reverse (10432420113), we get a palindrome (41534843514).

The spelling of 31102423401 in words is "thirty-one billion, one hundred two million, four hundred twenty-three thousand, four hundred one".