31300330312 has 8 divisors (see below), whose sum is σ = 58688119350. Its totient is φ = 15650165152.

The previous prime is 31300330297. The next prime is 31300330379. The reversal of 31300330312 is 21303300313.

It can be written as a sum of positive squares in only one way, i.e., 22125372516 + 9174957796 = 148746^2 + 95786^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 31300330312.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1956270637 + ... + 1956270652.

Almost surely, 2^31300330312 is an apocalyptic number.

It is an amenable number.

31300330312 is a deficient number, since it is larger than the sum of its proper divisors (27387789038).

31300330312 is a wasteful number, since it uses less digits than its factorization.

31300330312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3912541295 (or 3912541291 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 31300330312 its reverse (21303300313), we get a palindrome (52603630625).

The spelling of 31300330312 in words is "thirty-one billion, three hundred million, three hundred thirty thousand, three hundred twelve".