31322123312002 has 32 divisors (see below), whose sum is σ = 48457578153600. Its totient is φ = 15174834011520.

The previous prime is 31322123311991. The next prime is 31322123312047. The reversal of 31322123312002 is 20021332122313.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112107243 + ... + 112386289.

It is an arithmetic number, because the mean of its divisors is an integer number (1514299317300).

Almost surely, 2^{31322123312002} is an apocalyptic number.

31322123312002 is a deficient number, since it is larger than the sum of its proper divisors (17135454841598).

31322123312002 is a wasteful number, since it uses less digits than its factorization.

31322123312002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288426.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 31322123312002 its reverse (20021332122313), we get a palindrome (51343455434315).

The spelling of 31322123312002 in words is "thirty-one trillion, three hundred twenty-two billion, one hundred twenty-three million, three hundred twelve thousand, two".