31444102430 has 16 divisors (see below), whose sum is σ = 60953183424. Its totient is φ = 11610130080.

The previous prime is 31444102367. The next prime is 31444102441. The reversal of 31444102430 is 3420144413.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 31444102430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120938726 + ... + 120938985.

It is an arithmetic number, because the mean of its divisors is an integer number (3809573964).

Almost surely, 2^31444102430 is an apocalyptic number.

31444102430 is a deficient number, since it is larger than the sum of its proper divisors (29509080994).

31444102430 is a wasteful number, since it uses less digits than its factorization.

31444102430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241877731.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 31444102430 its reverse (3420144413), we get a palindrome (34864246843).

The spelling of 31444102430 in words is "thirty-one billion, four hundred forty-four million, one hundred two thousand, four hundred thirty".