1013320231 has 16 divisors (see below), whose sum is σ = 1264999680. Its totient is φ = 788575680.

The previous prime is 1013320229. The next prime is 1013320247. The reversal of 1013320231 is 1320233101.

It is a cyclic number.

It is not a de Polignac number, because 1013320231 - 2¹ = 1013320229 is a prime.

It is a super-2 number, since 2×1013320231² = 2053635781107786722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013320201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54160 + ... + 70426.

It is an arithmetic number, because the mean of its divisors is an integer number (79062480).

Almost surely, 2^1013320231 is an apocalyptic number.

1013320231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1013320231 is a deficient number, since it is larger than the sum of its proper divisors (251679449).

1013320231 is a wasteful number, since it uses less digits than its factorization.

1013320231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17094.

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

The square root of 1013320231 is about 31832.6912308714. The cubic root of 1013320231 is about 1004.4205073215.

Adding to 1013320231 its reverse (1320233101), we get a palindrome (2333553332).

The spelling of 1013320231 in words is "one billion, thirteen million, three hundred twenty thousand, two hundred thirty-one".