131134513250 has 64 divisors (see below), whose sum is σ = 265089936384. Its totient is φ = 48286526400.

The previous prime is 131134513241. The next prime is 131134513267. The reversal of 131134513250 is 52315431131.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1137779 + ... + 1247721.

It is an arithmetic number, because the mean of its divisors is an integer number (4142030256).

Almost surely, 2^131134513250 is an apocalyptic number.

131134513250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131134513250 is an abundant number, since it is smaller than the sum of its proper divisors (133955423134).

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

131134513250 is a wasteful number, since it uses less digits than its factorization.

131134513250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110340 (or 110330 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

Adding to 131134513250 its reverse (52315431131), we get a palindrome (183449944381).

The spelling of 131134513250 in words is "one hundred thirty-one billion, one hundred thirty-four million, five hundred thirteen thousand, two hundred fifty".