31230304130 has 16 divisors (see below), whose sum is σ = 58658658624. Its totient is φ = 11948985840.

The previous prime is 31230304109. The next prime is 31230304159. The reversal of 31230304130 is 3140303213.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67891736 + ... + 67892195.

It is an arithmetic number, because the mean of its divisors is an integer number (3666166164).

Almost surely, 2^31230304130 is an apocalyptic number.

31230304130 is a deficient number, since it is larger than the sum of its proper divisors (27428354494).

31230304130 is a wasteful number, since it uses less digits than its factorization.

31230304130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135783961.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 31230304130 its reverse (3140303213), we get a palindrome (34370607343).

The spelling of 31230304130 in words is "thirty-one billion, two hundred thirty million, three hundred four thousand, one hundred thirty".