31020114120 has 32 divisors (see below), whose sum is σ = 93060342720. Its totient is φ = 8272030400.

The previous prime is 31020114107. The next prime is 31020114179. The reversal of 31020114120 is 2141102013.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 31020114120.

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, 129250356 + ... + 129250595.

It is an arithmetic number, because the mean of its divisors is an integer number (2908135710).

Almost surely, 2^31020114120 is an apocalyptic number.

31020114120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31020114120 is an abundant number, since it is smaller than the sum of its proper divisors (62040228600).

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

31020114120 is a wasteful number, since it uses less digits than its factorization.

31020114120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258500965 (or 258500961 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 31020114120 its reverse (2141102013), we get a palindrome (33161216133).

The spelling of 31020114120 in words is "thirty-one billion, twenty million, one hundred fourteen thousand, one hundred twenty".