31422112023 has 4 divisors (see below), whose sum is σ = 41896149368. Its totient is φ = 20948074680.

The previous prime is 31422112019. The next prime is 31422112031. The reversal of 31422112023 is 32021122413.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 31422112023 - 2² = 31422112019 is a prime.

It is a super-2 number, since 2×31422112023² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31422112123) 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, 5237018668 + ... + 5237018673.

It is an arithmetic number, because the mean of its divisors is an integer number (10474037342).

Almost surely, 2^31422112023 is an apocalyptic number.

31422112023 is a deficient number, since it is larger than the sum of its proper divisors (10474037345).

31422112023 is a wasteful number, since it uses less digits than its factorization.

31422112023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10474037344.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 31422112023 its reverse (32021122413), we get a palindrome (63443234436).

The spelling of 31422112023 in words is "thirty-one billion, four hundred twenty-two million, one hundred twelve thousand, twenty-three".