131032402 has 8 divisors (see below), whose sum is σ = 199036800. Its totient is φ = 64686804.

The previous prime is 131032393. The next prime is 131032441. The reversal of 131032402 is 204230131.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414502 + ... + 414817.

It is an arithmetic number, because the mean of its divisors is an integer number (24879600).

Almost surely, 2^131032402 is an apocalyptic number.

131032402 is a deficient number, since it is larger than the sum of its proper divisors (68004398).

131032402 is an equidigital number, since it uses as much as digits as its factorization.

131032402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829400.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 131032402 is about 11446.9385426847. The cubic root of 131032402 is about 507.9171775821.

Adding to 131032402 its reverse (204230131), we get a palindrome (335262533).

The spelling of 131032402 in words is "one hundred thirty-one million, thirty-two thousand, four hundred two".