402331031002 has 8 divisors (see below), whose sum is σ = 603619648416. Its totient is φ = 201124481532.

The previous prime is 402331030963. The next prime is 402331031009. The reversal of 402331031002 is 200130133204.

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

It is not an unprimeable number, because it can be changed into a prime (402331031009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20504728 + ... + 20524339.

It is an arithmetic number, because the mean of its divisors is an integer number (75452456052).

Almost surely, 2^402331031002 is an apocalyptic number.

402331031002 is a deficient number, since it is larger than the sum of its proper divisors (201288617414).

402331031002 is a wasteful number, since it uses less digits than its factorization.

402331031002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41033972.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 402331031002 its reverse (200130133204), we get a palindrome (602461164206).

The spelling of 402331031002 in words is "four hundred two billion, three hundred thirty-one million, thirty-one thousand, two".