131045245452220 has 24 divisors (see below), whose sum is σ = 300212744127408. Its totient is φ = 47652816528000.

The previous prime is 131045245452217. The next prime is 131045245452221. The reversal of 131045245452220 is 22254542540131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131045245452221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297830103081 + ... + 297830103520.

It is an arithmetic number, because the mean of its divisors is an integer number (12508864338642).

Almost surely, 2^{131045245452220} is an apocalyptic number.

131045245452220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131045245452220 is an abundant number, since it is smaller than the sum of its proper divisors (169167498675188).

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

131045245452220 is a wasteful number, since it uses less digits than its factorization.

131045245452220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595660206621 (or 595660206619 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 40.

Adding to 131045245452220 its reverse (22254542540131), we get a palindrome (153299787992351).

The spelling of 131045245452220 in words is "one hundred thirty-one trillion, forty-five billion, two hundred forty-five million, four hundred fifty-two thousand, two hundred twenty".