1113020131 has 2 divisors, whose sum is σ = 1113020132. Its totient is φ = 1113020130.

The previous prime is 1113020119. The next prime is 1113020149. The reversal of 1113020131 is 1310203111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1113020131 - 2²³ = 1104631523 is a prime.

It is a super-2 number, since 2×1113020131² = 2477627624022514322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1113024131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556510065 + 556510066.

It is an arithmetic number, because the mean of its divisors is an integer number (556510066).

Almost surely, 2^1113020131 is an apocalyptic number.

1113020131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113020131 is an equidigital number, since it uses as much as digits as its factorization.

1113020131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1113020131 is about 33361.9563425168. The cubic root of 1113020131 is about 1036.3370061246.

Adding to 1113020131 its reverse (1310203111), we get a palindrome (2423223242).

The spelling of 1113020131 in words is "one billion, one hundred thirteen million, twenty thousand, one hundred thirty-one".