131001233511 has 32 divisors (see below), whose sum is σ = 179910720000. Its totient is φ = 84751774848.

The previous prime is 131001233479. The next prime is 131001233549. The reversal of 131001233511 is 115332100131.

It is not a de Polignac number, because 131001233511 - 2⁵ = 131001233479 is a prime.

It is a super-2 number, since 2×131001233511² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131001233551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10374960 + ... + 10387578.

It is an arithmetic number, because the mean of its divisors is an integer number (5622210000).

Almost surely, 2^131001233511 is an apocalyptic number.

131001233511 is a deficient number, since it is larger than the sum of its proper divisors (48909486489).

131001233511 is a wasteful number, since it uses less digits than its factorization.

131001233511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13383.

The product of its (nonzero) digits is 270, while the sum is 21.

Adding to 131001233511 its reverse (115332100131), we get a palindrome (246333333642).

The spelling of 131001233511 in words is "one hundred thirty-one billion, one million, two hundred thirty-three thousand, five hundred eleven".