131163402 has 16 divisors (see below), whose sum is σ = 262457280. Its totient is φ = 43699392.

The previous prime is 131163397. The next prime is 131163419. The reversal of 131163402 is 204361131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11874 + ... + 20082.

It is an arithmetic number, because the mean of its divisors is an integer number (16403580).

Almost surely, 2^131163402 is an apocalyptic number.

131163402 is an abundant number, since it is smaller than the sum of its proper divisors (131293878).

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

131163402 is a wasteful number, since it uses less digits than its factorization.

131163402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10877.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 131163402 is about 11452.6591671978. The cubic root of 131163402 is about 508.0863850656.

The spelling of 131163402 in words is "one hundred thirty-one million, one hundred sixty-three thousand, four hundred two".