103031020312 has 32 divisors (see below), whose sum is σ = 212831874000. Its totient is φ = 46368592000.

The previous prime is 103031020307. The next prime is 103031020361. The reversal of 103031020312 is 213020130301.

It is a super-2 number, since 2×103031020312² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 5787187 + ... + 5804962.

Almost surely, 2^103031020312 is an apocalyptic number.

It is an amenable number.

103031020312 is an abundant number, since it is smaller than the sum of its proper divisors (109800853688).

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

103031020312 is a wasteful number, since it uses less digits than its factorization.

103031020312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11592267 (or 11592263 counting only the distinct ones).

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

Adding to 103031020312 its reverse (213020130301), we get a palindrome (316051150613).

The spelling of 103031020312 in words is "one hundred three billion, thirty-one million, twenty thousand, three hundred twelve".