131903226 has 48 divisors (see below), whose sum is σ = 351746304. Its totient is φ = 34787232.

The previous prime is 131903209. The next prime is 131903249. The reversal of 131903226 is 622309131.

It is a super-2 number, since 2×131903226² = 34796922058414152, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131903226.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38626 + ... + 41901.

It is an arithmetic number, because the mean of its divisors is an integer number (7328048).

Almost surely, 2^131903226 is an apocalyptic number.

131903226 is an abundant number, since it is smaller than the sum of its proper divisors (219843078).

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

131903226 is a wasteful number, since it uses less digits than its factorization.

131903226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80555 (or 80552 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 131903226 is about 11484.9129731139. The cubic root of 131903226 is about 509.0398775823.

The spelling of 131903226 in words is "one hundred thirty-one million, nine hundred three thousand, two hundred twenty-six".