1013203312 has 20 divisors (see below), whose sum is σ = 2141543736. Its totient is φ = 460546880.

The previous prime is 1013203309. The next prime is 1013203339. The reversal of 1013203312 is 2133023101.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 2878243 + ... + 2878594.

Almost surely, 2^1013203312 is an apocalyptic number.

It is an amenable number.

1013203312 is an abundant number, since it is smaller than the sum of its proper divisors (1128340424).

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

1013203312 is a wasteful number, since it uses less digits than its factorization.

1013203312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5756856 (or 5756850 counting only the distinct ones).

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

The square root of 1013203312 is about 31830.8547167681. The cubic root of 1013203312 is about 1004.3818751252.

Adding to 1013203312 its reverse (2133023101), we get a palindrome (3146226413).

The spelling of 1013203312 in words is "one billion, thirteen million, two hundred three thousand, three hundred twelve".