131115950 has 48 divisors (see below), whose sum is σ = 285544224. Its totient is φ = 43852800.

The previous prime is 131115949. The next prime is 131115973. The reversal of 131115950 is 59511131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9782 + ... + 18918.

It is an arithmetic number, because the mean of its divisors is an integer number (5948838).

Almost surely, 2^131115950 is an apocalyptic number.

131115950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131115950 is an abundant number, since it is smaller than the sum of its proper divisors (154428274).

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

131115950 is a wasteful number, since it uses less digits than its factorization.

131115950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9197 (or 9192 counting only the distinct ones).

The product of its (nonzero) digits is 675, while the sum is 26.

The square root of 131115950 is about 11450.5873211814. The cubic root of 131115950 is about 508.0251062261.

The spelling of 131115950 in words is "one hundred thirty-one million, one hundred fifteen thousand, nine hundred fifty".