131101112231 has 8 divisors (see below), whose sum is σ = 132905787840. Its totient is φ = 129296673792.

The previous prime is 131101112209. The next prime is 131101112237. The reversal of 131101112231 is 132211101131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131101112231 is a prime.

It is a super-2 number, since 2×131101112231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131101112237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1251911 + ... + 1352583.

It is an arithmetic number, because the mean of its divisors is an integer number (16613223480).

Almost surely, 2^131101112231 is an apocalyptic number.

131101112231 is a deficient number, since it is larger than the sum of its proper divisors (1804675609).

131101112231 is a wasteful number, since it uses less digits than its factorization.

131101112231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118585.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 131101112231 its reverse (132211101131), we get a palindrome (263312213362).

The spelling of 131101112231 in words is "one hundred thirty-one billion, one hundred one million, one hundred twelve thousand, two hundred thirty-one".