31433244424 has 16 divisors (see below), whose sum is σ = 58963903020. Its totient is φ = 15709536960.

The previous prime is 31433244421. The next prime is 31433244431. The reversal of 31433244424 is 42444233413.

It can be written as a sum of positive squares in 2 ways, for example, as 28706524900 + 2726719524 = 169430^2 + 52218^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31433244424.

It is not an unprimeable number, because it can be changed into a prime (31433244421) 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, 866779 + ... + 902314.

Almost surely, 2^31433244424 is an apocalyptic number.

It is an amenable number.

31433244424 is a deficient number, since it is larger than the sum of its proper divisors (27530658596).

31433244424 is a wasteful number, since it uses less digits than its factorization.

31433244424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771320 (or 1771316 counting only the distinct ones).

The product of its digits is 110592, while the sum is 34.

Adding to 31433244424 its reverse (42444233413), we get a palindrome (73877477837).

The spelling of 31433244424 in words is "thirty-one billion, four hundred thirty-three million, two hundred forty-four thousand, four hundred twenty-four".