31231232002 has 8 divisors (see below), whose sum is σ = 46878356736. Its totient is φ = 15605113092.

The previous prime is 31231231961. The next prime is 31231232017. The reversal of 31231232002 is 20023213213.

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

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 in 3 ways as a sum of consecutive naturals, for example, 5247738 + ... + 5253685.

It is an arithmetic number, because the mean of its divisors is an integer number (5859794592).

Almost surely, 2^31231232002 is an apocalyptic number.

31231232002 is a deficient number, since it is larger than the sum of its proper divisors (15647124734).

31231232002 is a wasteful number, since it uses less digits than its factorization.

31231232002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10502912.

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

Adding to 31231232002 its reverse (20023213213), we get a palindrome (51254445215).

The spelling of 31231232002 in words is "thirty-one billion, two hundred thirty-one million, two hundred thirty-two thousand, two".