31031042120110 has 16 divisors (see below), whose sum is σ = 59141515570416. Its totient is φ = 11682274680448.

The previous prime is 31031042120087. The next prime is 31031042120129. The reversal of 31031042120110 is 1102124013013.

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, 91267770772 + ... + 91267771111.

It is an arithmetic number, because the mean of its divisors is an integer number (3696344723151).

Almost surely, 2^{31031042120110} is an apocalyptic number.

31031042120110 is a deficient number, since it is larger than the sum of its proper divisors (28110473450306).

31031042120110 is a wasteful number, since it uses less digits than its factorization.

31031042120110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182535541907.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 31031042120110 its reverse (1102124013013), we get a palindrome (32133166133123).

The spelling of 31031042120110 in words is "thirty-one trillion, thirty-one billion, forty-two million, one hundred twenty thousand, one hundred ten".