31311352004002 has 8 divisors (see below), whose sum is σ = 53676603435456. Its totient is φ = 13419150858852.

The previous prime is 31311352003973. The next prime is 31311352004041. The reversal of 31311352004002 is 20040025311313.

It is a happy number.

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

It is a super-3 number, since 3×31311352004002³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1118262571558 + ... + 1118262571585.

It is an arithmetic number, because the mean of its divisors is an integer number (6709575429432).

Almost surely, 2^{31311352004002} is an apocalyptic number.

31311352004002 is a deficient number, since it is larger than the sum of its proper divisors (22365251431454).

31311352004002 is a wasteful number, since it uses less digits than its factorization.

31311352004002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2236525143152.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 31311352004002 its reverse (20040025311313), we get a palindrome (51351377315315).

The spelling of 31311352004002 in words is "thirty-one trillion, three hundred eleven billion, three hundred fifty-two million, four thousand, two".