31100032022123 has 4 divisors (see below), whose sum is σ = 31100043216000. Its totient is φ = 31100020828248.

The previous prime is 31100032022119. The next prime is 31100032022167. The reversal of 31100032022123 is 32122023000113.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 31100032022123 - 2² = 31100032022119 is a prime.

It is a super-2 number, since 2×31100032022123² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31100032022095 and 31100032022104.

It is not an unprimeable number, because it can be changed into a prime (31100032024123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2085878 + ... + 8157876.

It is an arithmetic number, because the mean of its divisors is an integer number (7775010804000).

Almost surely, 2^{31100032022123} is an apocalyptic number.

31100032022123 is a deficient number, since it is larger than the sum of its proper divisors (11193877).

31100032022123 is an equidigital number, since it uses as much as digits as its factorization.

31100032022123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11193876.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 31100032022123 its reverse (32122023000113), we get a palindrome (63222055022236).

The spelling of 31100032022123 in words is "thirty-one trillion, one hundred billion, thirty-two million, twenty-two thousand, one hundred twenty-three".