131332002231 has 16 divisors (see below), whose sum is σ = 180879610880. Its totient is φ = 84673330560.

The previous prime is 131332002227. The next prime is 131332002233. The reversal of 131332002231 is 132200233131.

It is not a de Polignac number, because 131332002231 - 2² = 131332002227 is a prime.

It is a super-2 number, since 2×131332002231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131332002198 and 131332002207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131332002233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335725 + ... + 612678.

It is an arithmetic number, because the mean of its divisors is an integer number (11304975680).

Almost surely, 2^131332002231 is an apocalyptic number.

131332002231 is a deficient number, since it is larger than the sum of its proper divisors (49547608649).

131332002231 is a wasteful number, since it uses less digits than its factorization.

131332002231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949926.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 131332002231 its reverse (132200233131), we get a palindrome (263532235362).

The spelling of 131332002231 in words is "one hundred thirty-one billion, three hundred thirty-two million, two thousand, two hundred thirty-one".