31110044121430 has 16 divisors (see below), whose sum is σ = 56310917854320. Its totient is φ = 12374497996192.

The previous prime is 31110044121419. The next prime is 31110044121461. The reversal of 31110044121430 is 3412144001113.

It is a junction number, because it is equal to n+sod(n) for n = 31110044121395 and 31110044121404.

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, 8689954669 + ... + 8689958248.

It is an arithmetic number, because the mean of its divisors is an integer number (3519432365895).

Almost surely, 2^{31110044121430} is an apocalyptic number.

31110044121430 is a deficient number, since it is larger than the sum of its proper divisors (25200873732890).

31110044121430 is a wasteful number, since it uses less digits than its factorization.

31110044121430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17379913103.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 31110044121430 its reverse (3412144001113), we get a palindrome (34522188122543).

The spelling of 31110044121430 in words is "thirty-one trillion, one hundred ten billion, forty-four million, one hundred twenty-one thousand, four hundred thirty".