1013131113 has 4 divisors (see below), whose sum is σ = 1350841488. Its totient is φ = 675420740.

The previous prime is 1013131103. The next prime is 1013131123. The reversal of 1013131113 is 3111313101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1013131103) and next prime (1013131123).

It is a cyclic number.

It is not a de Polignac number, because 1013131113 - 2⁸ = 1013130857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1013131092 and 1013131101.

It is not an unprimeable number, because it can be changed into a prime (1013131103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168855183 + ... + 168855188.

It is an arithmetic number, because the mean of its divisors is an integer number (337710372).

Almost surely, 2^1013131113 is an apocalyptic number.

It is an amenable number.

1013131113 is a deficient number, since it is larger than the sum of its proper divisors (337710375).

1013131113 is an equidigital number, since it uses as much as digits as its factorization.

1013131113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337710374.

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

The square root of 1013131113 is about 31829.7205925531. The cubic root of 1013131113 is about 1004.3580177583.

Adding to 1013131113 its reverse (3111313101), we get a palindrome (4124444214).

The spelling of 1013131113 in words is "one billion, thirteen million, one hundred thirty-one thousand, one hundred thirteen".