31324030120 has 16 divisors (see below), whose sum is σ = 70479067860. Its totient is φ = 12529612032.

The previous prime is 31324030103. The next prime is 31324030121. The reversal of 31324030120 is 2103042313.

It can be written as a sum of positive squares in 2 ways, for example, as 31316965156 + 7064964 = 176966^2 + 2658^2 .

It is not an unprimeable number, because it can be changed into a prime (31324030121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391550337 + ... + 391550416.

Almost surely, 2^31324030120 is an apocalyptic number.

It is an amenable number.

31324030120 is an abundant number, since it is smaller than the sum of its proper divisors (39155037740).

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

31324030120 is a wasteful number, since it uses less digits than its factorization.

31324030120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783100764 (or 783100760 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 31324030120 its reverse (2103042313), we get a palindrome (33427072433).

The spelling of 31324030120 in words is "thirty-one billion, three hundred twenty-four million, thirty thousand, one hundred twenty".