131202213331 has 16 divisors (see below), whose sum is σ = 157966502400. Its totient is φ = 106452897408.

The previous prime is 131202213323. The next prime is 131202213371. The reversal of 131202213331 is 133312202131.

It is a cyclic number.

It is not a de Polignac number, because 131202213331 - 2³ = 131202213323 is a prime.

It is a super-2 number, since 2×131202213331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131202213371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240646 + ... + 565963.

It is an arithmetic number, because the mean of its divisors is an integer number (9872906400).

Almost surely, 2^131202213331 is an apocalyptic number.

131202213331 is a deficient number, since it is larger than the sum of its proper divisors (26764289069).

131202213331 is a wasteful number, since it uses less digits than its factorization.

131202213331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807858.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 131202213331 its reverse (133312202131), we get a palindrome (264514415462).

The spelling of 131202213331 in words is "one hundred thirty-one billion, two hundred two million, two hundred thirteen thousand, three hundred thirty-one".