31044400102 has 8 divisors (see below), whose sum is σ = 46807878456. Its totient is φ = 15441773952.

The previous prime is 31044400087. The next prime is 31044400151. The reversal of 31044400102 is 20100444013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×31044400102² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31044400102.

It is a congruent number.

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, 40212568 + ... + 40213339.

It is an arithmetic number, because the mean of its divisors is an integer number (5850984807).

Almost surely, 2^31044400102 is an apocalyptic number.

31044400102 is a deficient number, since it is larger than the sum of its proper divisors (15763478354).

31044400102 is a wasteful number, since it uses less digits than its factorization.

31044400102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80426102.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 31044400102 its reverse (20100444013), we get a palindrome (51144844115).

The spelling of 31044400102 in words is "thirty-one billion, forty-four million, four hundred thousand, one hundred two".