30131052 has 24 divisors (see below), whose sum is σ = 80349696. Its totient is φ = 8608848.

The previous prime is 30131047. The next prime is 30131053. The reversal of 30131052 is 25013103.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30131053) 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, 179268 + ... + 179435.

It is an arithmetic number, because the mean of its divisors is an integer number (3347904).

Almost surely, 2^30131052 is an apocalyptic number.

It is an amenable number.

30131052 is an abundant number, since it is smaller than the sum of its proper divisors (50218644).

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

30131052 is a wasteful number, since it uses less digits than its factorization.

30131052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358717 (or 358715 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 30131052 is about 5489.1758944308. The cubic root of 30131052 is about 311.1750478382.

Adding to 30131052 its reverse (25013103), we get a palindrome (55144155).

The spelling of 30131052 in words is "thirty million, one hundred thirty-one thousand, fifty-two".