31031032322123 has 8 divisors (see below), whose sum is σ = 31048254853440. Its totient is φ = 31013814021120.

The previous prime is 31031032322113. The next prime is 31031032322179. The reversal of 31031032322123 is 32122323013013.

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

It is a cyclic number.

It is not a de Polignac number, because 31031032322123 - 2³⁸ = 30756154415179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31031032322092 and 31031032322101.

It is not an unprimeable number, because it can be changed into a prime (31031032322113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13674158 + ... + 15781148.

It is an arithmetic number, because the mean of its divisors is an integer number (3881031856680).

Almost surely, 2^{31031032322123} is an apocalyptic number.

31031032322123 is a deficient number, since it is larger than the sum of its proper divisors (17222531317).

31031032322123 is a wasteful number, since it uses less digits than its factorization.

31031032322123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115157.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 31031032322123 its reverse (32122323013013), we get a palindrome (63153355335136).

The spelling of 31031032322123 in words is "thirty-one trillion, thirty-one billion, thirty-two million, three hundred twenty-two thousand, one hundred twenty-three".