31400334042002 has 8 divisors (see below), whose sum is σ = 47140382947212. Its totient is φ = 15686873059600.

The previous prime is 31400334042001. The next prime is 31400334042053. The reversal of 31400334042002 is 20024043300413.

It can be written as a sum of positive squares in 2 ways, for example, as 26954776856401 + 4445557185601 = 5191799^2 + 2108449^2 .

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 (31400334042001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6646977749 + ... + 6646982472.

Almost surely, 2^{31400334042002} is an apocalyptic number.

31400334042002 is a deficient number, since it is larger than the sum of its proper divisors (15740048905210).

31400334042002 is a wasteful number, since it uses less digits than its factorization.

31400334042002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13293961404.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 31400334042002 its reverse (20024043300413), we get a palindrome (51424377342415).

The spelling of 31400334042002 in words is "thirty-one trillion, four hundred billion, three hundred thirty-four million, forty-two thousand, two".