131164533331 has 24 divisors (see below), whose sum is σ = 148559347296. Its totient is φ = 115534298880.

The previous prime is 131164533301. The next prime is 131164533341. The reversal of 131164533331 is 133335461131.

It is not a de Polignac number, because 131164533331 - 2¹³ = 131164525139 is a prime.

It is a super-2 number, since 2×131164533331² (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 (131164533301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1596351 + ... + 1676503.

It is an arithmetic number, because the mean of its divisors is an integer number (6189972804).

Almost surely, 2^131164533331 is an apocalyptic number.

131164533331 is a deficient number, since it is larger than the sum of its proper divisors (17394813965).

131164533331 is a wasteful number, since it uses less digits than its factorization.

131164533331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80623 (or 80610 counting only the distinct ones).

The product of its digits is 29160, while the sum is 34.

Adding to 131164533331 its reverse (133335461131), we get a palindrome (264499994462).

The spelling of 131164533331 in words is "one hundred thirty-one billion, one hundred sixty-four million, five hundred thirty-three thousand, three hundred thirty-one".