31300150312 has 32 divisors (see below), whose sum is σ = 60725700000. Its totient is φ = 15106883008.

The previous prime is 31300150303. The next prime is 31300150319. The reversal of 31300150312 is 21305100313.

It is a self number, because there is not a number n which added to its sum of digits gives 31300150312.

It is not an unprimeable number, because it can be changed into a prime (31300150319) 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, 1169739 + ... + 1196197.

It is an arithmetic number, because the mean of its divisors is an integer number (1897678125).

Almost surely, 2^31300150312 is an apocalyptic number.

It is an amenable number.

31300150312 is a deficient number, since it is larger than the sum of its proper divisors (29425549688).

31300150312 is a wasteful number, since it uses less digits than its factorization.

31300150312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31593 (or 31589 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 19.

Adding to 31300150312 its reverse (21305100313), we get a palindrome (52605250625).

The spelling of 31300150312 in words is "thirty-one billion, three hundred million, one hundred fifty thousand, three hundred twelve".