31012123300 has 36 divisors (see below), whose sum is σ = 67742011456. Its totient is φ = 12322692000.

The previous prime is 31012123283. The next prime is 31012123319. The reversal of 31012123300 is 332121013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1011792 + ... + 1041991.

Almost surely, 2^31012123300 is an apocalyptic number.

It is an amenable number.

31012123300 is an abundant number, since it is smaller than the sum of its proper divisors (36729888156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31012123300 is a wasteful number, since it uses less digits than its factorization.

31012123300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053948 (or 2053941 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 31012123300 its reverse (332121013), we get a palindrome (31344244313).

The spelling of 31012123300 in words is "thirty-one billion, twelve million, one hundred twenty-three thousand, three hundred".