131001115304 has 16 divisors (see below), whose sum is σ = 245653304820. Its totient is φ = 65493567360.

The previous prime is 131001115291. The next prime is 131001115327. The reversal of 131001115304 is 403511100131.

It can be written as a sum of positive squares in 2 ways, for example, as 117787612804 + 13213502500 = 343202^2 + 114950^2 .

It is a super-2 number, since 2×131001115304² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 793709 + ... + 944444.

Almost surely, 2^131001115304 is an apocalyptic number.

It is an amenable number.

131001115304 is a deficient number, since it is larger than the sum of its proper divisors (114652189516).

131001115304 is a wasteful number, since it uses less digits than its factorization.

131001115304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1747580 (or 1747576 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 131001115304 its reverse (403511100131), we get a palindrome (534512215435).

The spelling of 131001115304 in words is "one hundred thirty-one billion, one million, one hundred fifteen thousand, three hundred four".