131202424320040 has 16 divisors (see below), whose sum is σ = 295205454720180. Its totient is φ = 52480969728000.

The previous prime is 131202424320029. The next prime is 131202424320131. The reversal of 131202424320040 is 40023424202131.

It can be written as a sum of positive squares in 2 ways, for example, as 115833687911236 + 15368736408804 = 10762606^2 + 3920298^2 .

It is a super-2 number, since 2×131202424320040² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131202424319990 and 131202424320008.

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, 1640030303961 + ... + 1640030304040.

Almost surely, 2^{131202424320040} is an apocalyptic number.

131202424320040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131202424320040 is an abundant number, since it is smaller than the sum of its proper divisors (164003030400140).

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

131202424320040 is a wasteful number, since it uses less digits than its factorization.

131202424320040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3280060608012 (or 3280060608008 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 131202424320040 its reverse (40023424202131), we get a palindrome (171225848522171).

The spelling of 131202424320040 in words is "one hundred thirty-one trillion, two hundred two billion, four hundred twenty-four million, three hundred twenty thousand, forty".