31223424433132 has 48 divisors (see below), whose sum is σ = 55496623724640. Its totient is φ = 15367587840000.

The previous prime is 31223424433127. The next prime is 31223424433141. The reversal of 31223424433132 is 23133442432213.

It is a junction number, because it is equal to n+sod(n) for n = 31223424433091 and 31223424433100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2797541632 + ... + 2797552792.

It is an arithmetic number, because the mean of its divisors is an integer number (1156179660930).

Almost surely, 2^{31223424433132} is an apocalyptic number.

It is an amenable number.

31223424433132 is a deficient number, since it is larger than the sum of its proper divisors (24273199291508).

31223424433132 is a wasteful number, since it uses less digits than its factorization.

31223424433132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17842 (or 17840 counting only the distinct ones).

The product of its digits is 248832, while the sum is 37.

Adding to 31223424433132 its reverse (23133442432213), we get a palindrome (54356866865345).

The spelling of 31223424433132 in words is "thirty-one trillion, two hundred twenty-three billion, four hundred twenty-four million, four hundred thirty-three thousand, one hundred thirty-two".