31130283112 has 16 divisors (see below), whose sum is σ = 58380831360. Its totient is φ = 15562061424.

The previous prime is 31130283047. The next prime is 31130283113. The reversal of 31130283112 is 21138203113.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (31130283113) 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, 341778 + ... + 423169.

It is an arithmetic number, because the mean of its divisors is an integer number (3648801960).

Almost surely, 2^31130283112 is an apocalyptic number.

It is an amenable number.

31130283112 is a deficient number, since it is larger than the sum of its proper divisors (27250548248).

31130283112 is a wasteful number, since it uses less digits than its factorization.

31130283112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770040 (or 770036 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 31130283112 its reverse (21138203113), we get a palindrome (52268486225).

The spelling of 31130283112 in words is "thirty-one billion, one hundred thirty million, two hundred eighty-three thousand, one hundred twelve".