131029950 has 48 divisors (see below), whose sum is σ = 333750960. Its totient is φ = 33995520.

The previous prime is 131029949. The next prime is 131029961. The reversal of 131029950 is 59920131.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 6255 + ... + 17354.

It is an arithmetic number, because the mean of its divisors is an integer number (6953145).

Almost surely, 2^131029950 is an apocalyptic number.

131029950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131029950 is an abundant number, since it is smaller than the sum of its proper divisors (202721010).

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

131029950 is a wasteful number, since it uses less digits than its factorization.

131029950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23661 (or 23656 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 131029950 is about 11446.8314393111. The cubic root of 131029950 is about 507.9140093563.

The spelling of 131029950 in words is "one hundred thirty-one million, twenty-nine thousand, nine hundred fifty".