31030124 has 24 divisors (see below), whose sum is σ = 56575008. Its totient is φ = 14878080.

The previous prime is 31030123. The next prime is 31030127. The reversal of 31030124 is 42103013.

It is a junction number, because it is equal to n+sod(n) for n = 31030099 and 31030108.

It is not an unprimeable number, because it can be changed into a prime (31030123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9032 + ... + 11984.

It is an arithmetic number, because the mean of its divisors is an integer number (2357292).

Almost surely, 2^31030124 is an apocalyptic number.

It is an amenable number.

31030124 is a deficient number, since it is larger than the sum of its proper divisors (25544884).

31030124 is a wasteful number, since it uses less digits than its factorization.

31030124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3065 (or 3063 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 31030124 is about 5570.4689210155. The cubic root of 31030124 is about 314.2397860080.

Adding to 31030124 its reverse (42103013), we get a palindrome (73133137).

The spelling of 31030124 in words is "thirty-one million, thirty thousand, one hundred twenty-four".