31120130302300 has 72 divisors (see below), whose sum is σ = 72791648755056. Its totient is φ = 11480034639360.

The previous prime is 31120130302297. The next prime is 31120130302319. The reversal of 31120130302300 is 320303102113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9484822 + ... + 12337021.

It is an arithmetic number, because the mean of its divisors is an integer number (1010995121598).

Almost surely, 2^{31120130302300} is an apocalyptic number.

It is an amenable number.

31120130302300 is an abundant number, since it is smaller than the sum of its proper divisors (41671518452756).

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

31120130302300 is a wasteful number, since it uses less digits than its factorization.

31120130302300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21822967 (or 21822960 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 31120130302300 its reverse (320303102113), we get a palindrome (31440433404413).

The spelling of 31120130302300 in words is "thirty-one trillion, one hundred twenty billion, one hundred thirty million, three hundred two thousand, three hundred".