131331113031304 has 8 divisors (see below), whose sum is σ = 246245836933710. Its totient is φ = 65665556515648.

The previous prime is 131331113031299. The next prime is 131331113031317. The reversal of 131331113031304 is 403130311133131.

It can be written as a sum of positive squares in only one way, i.e., 125816647107204 + 5514465924100 = 11216802^2 + 2348290^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×131331113031304² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8208194564449 + ... + 8208194564464.

Almost surely, 2^{131331113031304} is an apocalyptic number.

It is an amenable number.

131331113031304 is a deficient number, since it is larger than the sum of its proper divisors (114914723902406).

131331113031304 is a wasteful number, since it uses less digits than its factorization.

131331113031304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16416389128919 (or 16416389128915 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 28.

Adding to 131331113031304 its reverse (403130311133131), we get a palindrome (534461424164435).

The spelling of 131331113031304 in words is "one hundred thirty-one trillion, three hundred thirty-one billion, one hundred thirteen million, thirty-one thousand, three hundred four".