1010031312 has 20 divisors (see below), whose sum is σ = 2609247680. Its totient is φ = 336677088.

The previous prime is 1010031289. The next prime is 1010031359. The reversal of 1010031312 is 2131300101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10521112 + ... + 10521207.

It is an arithmetic number, because the mean of its divisors is an integer number (130462384).

Almost surely, 2^1010031312 is an apocalyptic number.

1010031312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1010031312 is an abundant number, since it is smaller than the sum of its proper divisors (1599216368).

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

1010031312 is a wasteful number, since it uses less digits than its factorization.

1010031312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21042330 (or 21042324 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1010031312 is about 31780.9897894952. The cubic root of 1010031312 is about 1003.3326517608.

Adding to 1010031312 its reverse (2131300101), we get a palindrome (3141331413).

The spelling of 1010031312 in words is "one billion, ten million, thirty-one thousand, three hundred twelve".