331201031002 has 4 divisors (see below), whose sum is σ = 496801546506. Its totient is φ = 165600515500.

The previous prime is 331201030997. The next prime is 331201031027. The reversal of 331201031002 is 200130102133.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 317486044681 + 13714986321 = 563459^2 + 117111^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82800257749 + ... + 82800257752.

Almost surely, 2^331201031002 is an apocalyptic number.

331201031002 is a deficient number, since it is larger than the sum of its proper divisors (165600515504).

331201031002 is a wasteful number, since it uses less digits than its factorization.

331201031002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165600515503.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 331201031002 its reverse (200130102133), we get a palindrome (531331133135).

The spelling of 331201031002 in words is "three hundred thirty-one billion, two hundred one million, thirty-one thousand, two".