1013311131 has 12 divisors (see below), whose sum is σ = 1571666472. Its totient is φ = 579034848.

The previous prime is 1013311111. The next prime is 1013311139. The reversal of 1013311131 is 1311133101.

It is not a de Polignac number, because 1013311131 - 2⁵ = 1013311099 is a prime.

It is a super-2 number, since 2×1013311131² = 2053598896416998322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1013311131.

It is not an unprimeable number, because it can be changed into a prime (1013311139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3446490 + ... + 3446783.

It is an arithmetic number, because the mean of its divisors is an integer number (130972206).

Almost surely, 2^1013311131 is an apocalyptic number.

1013311131 is a deficient number, since it is larger than the sum of its proper divisors (558355341).

1013311131 is an equidigital number, since it uses as much as digits as its factorization.

1013311131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6893290 (or 6893283 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 15.

The square root of 1013311131 is about 31832.5482957303. The cubic root of 1013311131 is about 1004.4175006201.

Adding to 1013311131 its reverse (1311133101), we get a palindrome (2324444232).

The spelling of 1013311131 in words is "one billion, thirteen million, three hundred eleven thousand, one hundred thirty-one".