31020130314 has 48 divisors (see below), whose sum is σ = 72550857600. Its totient is φ = 9549421728.

The previous prime is 31020130313. The next prime is 31020130319. The reversal of 31020130314 is 41303102013.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (31020130313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1279854 + ... + 1303865.

It is an arithmetic number, because the mean of its divisors is an integer number (1511476200).

Almost surely, 2^31020130314 is an apocalyptic number.

31020130314 is an abundant number, since it is smaller than the sum of its proper divisors (41530727286).

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

31020130314 is a wasteful number, since it uses less digits than its factorization.

31020130314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2583779 (or 2583776 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 31020130314 its reverse (41303102013), we get a palindrome (72323232327).

The spelling of 31020130314 in words is "thirty-one billion, twenty million, one hundred thirty thousand, three hundred fourteen".