31032331023130 has 64 divisors (see below), whose sum is σ = 57716705894400. Its totient is φ = 12000721665600.

The previous prime is 31032331023119. The next prime is 31032331023137. The reversal of 31032331023130 is 3132013323013.

It is a junction number, because it is equal to n+sod(n) for n = 31032331023095 and 31032331023104.

It is not an unprimeable number, because it can be changed into a prime (31032331023137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2214847825 + ... + 2214861835.

It is an arithmetic number, because the mean of its divisors is an integer number (901823529600).

Almost surely, 2^{31032331023130} is an apocalyptic number.

31032331023130 is a deficient number, since it is larger than the sum of its proper divisors (26684374871270).

31032331023130 is a wasteful number, since it uses less digits than its factorization.

31032331023130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20555.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 31032331023130 its reverse (3132013323013), we get a palindrome (34164344346143).

The spelling of 31032331023130 in words is "thirty-one trillion, thirty-two billion, three hundred thirty-one million, twenty-three thousand, one hundred thirty".