31202022232423 has 24 divisors (see below), whose sum is σ = 36311756319360. Its totient is φ = 26733152562480.

The previous prime is 31202022232399. The next prime is 31202022232439. The reversal of 31202022232423 is 32423222020213.

It is a de Polignac number, because none of the positive numbers 2^k-31202022232423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31202022232391 and 31202022232400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31202022232453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1951215958 + ... + 1951231948.

It is an arithmetic number, because the mean of its divisors is an integer number (1512989846640).

Almost surely, 2^{31202022232423} is an apocalyptic number.

31202022232423 is a deficient number, since it is larger than the sum of its proper divisors (5109734086937).

31202022232423 is a wasteful number, since it uses less digits than its factorization.

31202022232423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30547 (or 30540 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 31202022232423 its reverse (32423222020213), we get a palindrome (63625244252636).

The spelling of 31202022232423 in words is "thirty-one trillion, two hundred two billion, twenty-two million, two hundred thirty-two thousand, four hundred twenty-three".