131000321402340 has 96 divisors (see below), whose sum is σ = 404202780702336. Its totient is φ = 31496320558080.

The previous prime is 131000321402311. The next prime is 131000321402369. The reversal of 131000321402340 is 43204123000131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (131000321402311) and next prime (131000321402369).

It is a super-2 number, since 2×131000321402340² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131000321402340.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1952863321 + ... + 1952930400.

It is an arithmetic number, because the mean of its divisors is an integer number (4210445632316).

Almost surely, 2^{131000321402340} is an apocalyptic number.

131000321402340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131000321402340 is an abundant number, since it is smaller than the sum of its proper divisors (273202459299996).

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

131000321402340 is a wasteful number, since it uses less digits than its factorization.

131000321402340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3905793789 (or 3905793787 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 131000321402340 its reverse (43204123000131), we get a palindrome (174204444402471).

The spelling of 131000321402340 in words is "one hundred thirty-one trillion, three hundred twenty-one million, four hundred two thousand, three hundred forty".