31122120202123 has 8 divisors (see below), whose sum is σ = 31131215840448. Its totient is φ = 31113025710144.

The previous prime is 31122120202031. The next prime is 31122120202141. The reversal of 31122120202123 is 32120202122113.

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 31122120202123 - 2²⁹ = 31121583331211 is a prime.

It is a super-3 number, since 3×31122120202123³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31122120202094 and 31122120202103.

It is not an unprimeable number, because it can be changed into a prime (31122120203123) 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, 55601790 + ... + 56158732.

It is an arithmetic number, because the mean of its divisors is an integer number (3891401980056).

Almost surely, 2^{31122120202123} is an apocalyptic number.

31122120202123 is a deficient number, since it is larger than the sum of its proper divisors (9095638325).

31122120202123 is a wasteful number, since it uses less digits than its factorization.

31122120202123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573173.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 31122120202123 its reverse (32120202122113), we get a palindrome (63242322324236).

The spelling of 31122120202123 in words is "thirty-one trillion, one hundred twenty-two billion, one hundred twenty million, two hundred two thousand, one hundred twenty-three".