250320131 has 6 divisors (see below), whose sum is σ = 251073732. Its totient is φ = 249568580.

The previous prime is 250320127. The next prime is 250320137. The reversal of 250320131 is 131023052.

It is not a de Polignac number, because 250320131 - 2² = 250320127 is a prime.

It is a super-2 number, since 2×250320131² = 125320335967714322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (250320137) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 228896 + ... + 229986.

It is an arithmetic number, because the mean of its divisors is an integer number (41845622).

Almost surely, 2^250320131 is an apocalyptic number.

250320131 is a deficient number, since it is larger than the sum of its proper divisors (753601).

250320131 is an frugal number, since it uses more digits than its factorization.

250320131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2049 (or 1570 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 250320131 is about 15821.5084931874. The cubic root of 250320131 is about 630.2293034447.

Adding to 250320131 its reverse (131023052), we get a palindrome (381343183).

The spelling of 250320131 in words is "two hundred fifty million, three hundred twenty thousand, one hundred thirty-one".