131512054602 has 16 divisors (see below), whose sum is σ = 271508758272. Its totient is φ = 42423243360.

The previous prime is 131512054601. The next prime is 131512054607. The reversal of 131512054602 is 206450215131.

It is a self number, because there is not a number n which added to its sum of digits gives 131512054602.

It is not an unprimeable number, because it can be changed into a prime (131512054601) 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, 353526843 + ... + 353527214.

It is an arithmetic number, because the mean of its divisors is an integer number (16969297392).

Almost surely, 2^131512054602 is an apocalyptic number.

131512054602 is an abundant number, since it is smaller than the sum of its proper divisors (139996703670).

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

131512054602 is a wasteful number, since it uses less digits than its factorization.

131512054602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707054093.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 131512054602 its reverse (206450215131), we get a palindrome (337962269733).

The spelling of 131512054602 in words is "one hundred thirty-one billion, five hundred twelve million, fifty-four thousand, six hundred two".