131113011 has 4 divisors (see below), whose sum is σ = 174817352. Its totient is φ = 87408672.

The previous prime is 131113009. The next prime is 131113013. The reversal of 131113011 is 110311131.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (131113009) and next prime (131113013).

It is not a de Polignac number, because 131113011 - 2¹ = 131113009 is a prime.

It is a super-2 number, since 2×131113011² = 34381243306972242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131113013) 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, 21852166 + ... + 21852171.

It is an arithmetic number, because the mean of its divisors is an integer number (43704338).

Almost surely, 2^131113011 is an apocalyptic number.

131113011 is a deficient number, since it is larger than the sum of its proper divisors (43704341).

131113011 is an equidigital number, since it uses as much as digits as its factorization.

131113011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43704340.

The product of its (nonzero) digits is 9, while the sum is 12.

The square root of 131113011 is about 11450.4589864337. The cubic root of 131113011 is about 508.0213103570.

Adding to 131113011 its reverse (110311131), we get a palindrome (241424142).

The spelling of 131113011 in words is "one hundred thirty-one million, one hundred thirteen thousand, eleven".