31312412030 has 64 divisors (see below), whose sum is σ = 60977525760. Its totient is φ = 11533516800.

The previous prime is 31312412029. The next prime is 31312412069. The reversal of 31312412030 is 3021421313.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31312411993 and 31312412011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1972766 + ... + 1988574.

It is an arithmetic number, because the mean of its divisors is an integer number (952773840).

Almost surely, 2^31312412030 is an apocalyptic number.

31312412030 is a deficient number, since it is larger than the sum of its proper divisors (29665113730).

31312412030 is a wasteful number, since it uses less digits than its factorization.

31312412030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16085.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 31312412030 its reverse (3021421313), we get a palindrome (34333833343).

The spelling of 31312412030 in words is "thirty-one billion, three hundred twelve million, four hundred twelve thousand, thirty".