31431112233002 has 8 divisors (see below), whose sum is σ = 47792513121636. Its totient is φ = 15500274525792.

The previous prime is 31431112232969. The next prime is 31431112233013. The reversal of 31431112233002 is 20033221113413.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 30829356751561 + 601755481441 = 5552419^2 + 775729^2 .

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107640795173 + ... + 107640795464.

Almost surely, 2^{31431112233002} is an apocalyptic number.

31431112233002 is a deficient number, since it is larger than the sum of its proper divisors (16361400888634).

31431112233002 is a wasteful number, since it uses less digits than its factorization.

31431112233002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215281590712.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 31431112233002 its reverse (20033221113413), we get a palindrome (51464333346415).

The spelling of 31431112233002 in words is "thirty-one trillion, four hundred thirty-one billion, one hundred twelve million, two hundred thirty-three thousand, two".