31423122241 has 12 divisors (see below), whose sum is σ = 38477293680. Its totient is φ = 25516519560.

The previous prime is 31423122223. The next prime is 31423122253. The reversal of 31423122241 is 14222132413.

It is not a de Polignac number, because 31423122241 - 2⁵ = 31423122209 is a prime.

It is a super-2 number, since 2×31423122241² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31423102241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16875075 + ... + 16876936.

It is an arithmetic number, because the mean of its divisors is an integer number (3206441140).

Almost surely, 2^31423122241 is an apocalyptic number.

It is an amenable number.

31423122241 is a deficient number, since it is larger than the sum of its proper divisors (7054171439).

31423122241 is a wasteful number, since it uses less digits than its factorization.

31423122241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33752044 (or 33752037 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

Adding to 31423122241 its reverse (14222132413), we get a palindrome (45645254654).

It can be divided in two parts, 31423 and 122241, that added together give a square (153664 = 392²).

The spelling of 31423122241 in words is "thirty-one billion, four hundred twenty-three million, one hundred twenty-two thousand, two hundred forty-one".