1031013312 has 84 divisors (see below), whose sum is σ = 3173288040. Its totient is φ = 294572544.

The previous prime is 1031013299. The next prime is 1031013317. The reversal of 1031013312 is 2133101301.

It is a tau number, because it is divible by the number of its divisors (84).

It is a junction number, because it is equal to n+sod(n) for n = 1031013291 and 1031013300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031013317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45387 + ... + 64202.

Almost surely, 2^1031013312 is an apocalyptic number.

1031013312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1031013312 is an abundant number, since it is smaller than the sum of its proper divisors (2142274728).

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

1031013312 is a wasteful number, since it uses less digits than its factorization.

1031013312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109618 (or 109601 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1031013312 is about 32109.3960080223. The cubic root of 1031013312 is about 1010.2327052601.

Adding to 1031013312 its reverse (2133101301), we get a palindrome (3164114613).

The spelling of 1031013312 in words is "one billion, thirty-one million, thirteen thousand, three hundred twelve".