131624002 has 4 divisors (see below), whose sum is σ = 197436006. Its totient is φ = 65812000.

The previous prime is 131623997. The next prime is 131624041. The reversal of 131624002 is 200426131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200426131 = 89 ⋅2251979.

It can be written as a sum of positive squares in only one way, i.e., 124121881 + 7502121 = 11141^2 + 2739^2 .

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 as a sum of consecutive naturals, namely, 32905999 + ... + 32906002.

Almost surely, 2^131624002 is an apocalyptic number.

131624002 is a deficient number, since it is larger than the sum of its proper divisors (65812004).

131624002 is an equidigital number, since it uses as much as digits as its factorization.

131624002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65812003.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 131624002 is about 11472.7504113007. The cubic root of 131624002 is about 508.6804308158.

The spelling of 131624002 in words is "one hundred thirty-one million, six hundred twenty-four thousand, two".