31530161146306 has 16 divisors (see below), whose sum is σ = 48938896591200. Its totient is φ = 15225434487648.

The previous prime is 31530161146249. The next prime is 31530161146321. The reversal of 31530161146306 is 60364116103513.

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, 2059710216 + ... + 2059725523.

It is an arithmetic number, because the mean of its divisors is an integer number (3058681036950).

Almost surely, 2^{31530161146306} is an apocalyptic number.

31530161146306 is a deficient number, since it is larger than the sum of its proper divisors (17408735444894).

31530161146306 is a wasteful number, since it uses less digits than its factorization.

31530161146306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4119435873.

The product of its (nonzero) digits is 116640, while the sum is 40.

Adding to 31530161146306 its reverse (60364116103513), we get a palindrome (91894277249819).

The spelling of 31530161146306 in words is "thirty-one trillion, five hundred thirty billion, one hundred sixty-one million, one hundred forty-six thousand, three hundred six".