131000131333000 has 64 divisors (see below), whose sum is σ = 307993105480320. Its totient is φ = 52151710968000.

The previous prime is 131000131332977. The next prime is 131000131333007. The reversal of 131000131333000 is 333131000131.

It is a happy number.

It is a super-2 number, since 2×131000131333000² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131000131333007) 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, 310215852 + ... + 310637851.

It is an arithmetic number, because the mean of its divisors is an integer number (4812392273130).

Almost surely, 2^{131000131333000} is an apocalyptic number.

131000131333000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131000131333000 is an abundant number, since it is smaller than the sum of its proper divisors (176992974147320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131000131333000 is a wasteful number, since it uses less digits than its factorization.

131000131333000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620853935 (or 620853921 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 19.

Adding to 131000131333000 its reverse (333131000131), we get a palindrome (131333262333131).

It can be divided in two parts, 131000131 and 333000, that added together give a palindrome (131333131).

The spelling of 131000131333000 in words is "one hundred thirty-one trillion, one hundred thirty-one million, three hundred thirty-three thousand".