131250030 has 32 divisors (see below), whose sum is σ = 333530784. Its totient is φ = 32941056.

The previous prime is 131250011. The next prime is 131250059. The reversal of 131250030 is 30052131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 131249991 and 131250009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128167 + ... + 129186.

It is an arithmetic number, because the mean of its divisors is an integer number (10422837).

Almost surely, 2^131250030 is an apocalyptic number.

131250030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131250030 is an abundant number, since it is smaller than the sum of its proper divisors (202280754).

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

131250030 is a wasteful number, since it uses less digits than its factorization.

131250030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257380.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 131250030 is about 11456.4405466969. The cubic root of 131250030 is about 508.1982171273.

The spelling of 131250030 in words is "one hundred thirty-one million, two hundred fifty thousand, thirty".