131202402 has 8 divisors (see below), whose sum is σ = 262404816. Its totient is φ = 43734132.

The previous prime is 131202367. The next prime is 131202431. The reversal of 131202402 is 204202131.

It is a sphenic number, since it is the product of 3 distinct primes.

131202402 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10933528 + ... + 10933539.

It is an arithmetic number, because the mean of its divisors is an integer number (32800602).

Almost surely, 2^131202402 is an apocalyptic number.

131202402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

131202402 is a wasteful number, since it uses less digits than its factorization.

131202402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21867072.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 131202402 is about 11454.3617019893. The cubic root of 131202402 is about 508.1367380479.

Adding to 131202402 its reverse (204202131), we get a palindrome (335404533).

The spelling of 131202402 in words is "one hundred thirty-one million, two hundred two thousand, four hundred two".