31223424433130 has 8 divisors (see below), whose sum is σ = 56202163979652. Its totient is φ = 12489369773248.

The previous prime is 31223424433127. The next prime is 31223424433141. The reversal of 31223424433130 is 3133442432213.

It can be written as a sum of positive squares in 2 ways, for example, as 30396399703849 + 827024729281 = 5513293^2 + 909409^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1561171221647 + ... + 1561171221666.

Almost surely, 2^{31223424433130} is an apocalyptic number.

31223424433130 is a deficient number, since it is larger than the sum of its proper divisors (24978739546522).

31223424433130 is a wasteful number, since it uses less digits than its factorization.

31223424433130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3122342443320.

The product of its (nonzero) digits is 124416, while the sum is 35.

Adding to 31223424433130 its reverse (3133442432213), we get a palindrome (34356866865343).

The spelling of 31223424433130 in words is "thirty-one trillion, two hundred twenty-three billion, four hundred twenty-four million, four hundred thirty-three thousand, one hundred thirty".