131420152552 has 32 divisors (see below), whose sum is σ = 265382860680. Its totient is φ = 60651970560.

The previous prime is 131420152517. The next prime is 131420152559. The reversal of 131420152552 is 255251024131.

It can be written as a sum of positive squares in 4 ways, for example, as 131025176676 + 394975876 = 361974^2 + 19874^2 .

It is a super-2 number, since 2×131420152552² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131420152559) 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, 2990128 + ... + 3033760.

Almost surely, 2^131420152552 is an apocalyptic number.

It is an amenable number.

131420152552 is an abundant number, since it is smaller than the sum of its proper divisors (133962708128).

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

131420152552 is a wasteful number, since it uses less digits than its factorization.

131420152552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72613 (or 72609 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 131420152552 its reverse (255251024131), we get a palindrome (386671176683).

The spelling of 131420152552 in words is "one hundred thirty-one billion, four hundred twenty million, one hundred fifty-two thousand, five hundred fifty-two".