31034330120 has 16 divisors (see below), whose sum is σ = 69827242860. Its totient is φ = 12413732032.

The previous prime is 31034330099. The next prime is 31034330137. The reversal of 31034330120 is 2103343013.

It can be written as a sum of positive squares in 2 ways, for example, as 28103840164 + 2930489956 = 167642^2 + 54134^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 31034330092 and 31034330101.

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, 387929087 + ... + 387929166.

Almost surely, 2^31034330120 is an apocalyptic number.

It is an amenable number.

31034330120 is an abundant number, since it is smaller than the sum of its proper divisors (38792912740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31034330120 is a wasteful number, since it uses less digits than its factorization.

31034330120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775858264 (or 775858260 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 31034330120 its reverse (2103343013), we get a palindrome (33137673133).

The spelling of 31034330120 in words is "thirty-one billion, thirty-four million, three hundred thirty thousand, one hundred twenty".