131000031202340 has 48 divisors (see below), whose sum is σ = 283978800612864. Its totient is φ = 50708878886400.

The previous prime is 131000031202321. The next prime is 131000031202357. The reversal of 131000031202340 is 43202130000131.

It is a super-2 number, since 2×131000031202340² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37874927 + ... + 41188713.

It is an arithmetic number, because the mean of its divisors is an integer number (5916225012768).

Almost surely, 2^{131000031202340} is an apocalyptic number.

131000031202340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131000031202340 is an abundant number, since it is smaller than the sum of its proper divisors (152978769410524).

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

131000031202340 is a wasteful number, since it uses less digits than its factorization.

131000031202340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3377588 (or 3377586 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 131000031202340 its reverse (43202130000131), we get a palindrome (174202161202471).

The spelling of 131000031202340 in words is "one hundred thirty-one trillion, thirty-one million, two hundred two thousand, three hundred forty".