131503215401252 has 12 divisors (see below), whose sum is σ = 237554195563776. Its totient is φ = 63630588097320.

The previous prime is 131503215401219. The next prime is 131503215401279. The reversal of 131503215401252 is 252104512305131.

It is a super-2 number, since 2×131503215401252² (a number of 29 digits) contains 22 as substring.

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, 530254900688 + ... + 530254900935.

It is an arithmetic number, because the mean of its divisors is an integer number (19796182963648).

Almost surely, 2^{131503215401252} is an apocalyptic number.

It is an amenable number.

131503215401252 is a deficient number, since it is larger than the sum of its proper divisors (106050980162524).

131503215401252 is a wasteful number, since it uses less digits than its factorization.

131503215401252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060509801658 (or 1060509801656 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

Adding to 131503215401252 its reverse (252104512305131), we get a palindrome (383607727706383).

The spelling of 131503215401252 in words is "one hundred thirty-one trillion, five hundred three billion, two hundred fifteen million, four hundred one thousand, two hundred fifty-two".