131233402411 has 4 divisors (see below), whose sum is σ = 132894584800. Its totient is φ = 129572220024.

The previous prime is 131233402357. The next prime is 131233402429. The reversal of 131233402411 is 114204332131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131233402411 is a prime.

It is a super-2 number, since 2×131233402411² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131233402511) 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, 830591076 + ... + 830591233.

It is an arithmetic number, because the mean of its divisors is an integer number (33223646200).

Almost surely, 2^131233402411 is an apocalyptic number.

131233402411 is a deficient number, since it is larger than the sum of its proper divisors (1661182389).

131233402411 is an equidigital number, since it uses as much as digits as its factorization.

131233402411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661182388.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 131233402411 its reverse (114204332131), we get a palindrome (245437734542).

The spelling of 131233402411 in words is "one hundred thirty-one billion, two hundred thirty-three million, four hundred two thousand, four hundred eleven".