31144248422 has 32 divisors (see below), whose sum is σ = 54151046208. Its totient is φ = 13158383616.

The previous prime is 31144248419. The next prime is 31144248427. The reversal of 31144248422 is 22484244113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31144248427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304388 + ... + 393624.

It is an arithmetic number, because the mean of its divisors is an integer number (1692220194).

Almost surely, 2^31144248422 is an apocalyptic number.

31144248422 is a deficient number, since it is larger than the sum of its proper divisors (23006797786).

31144248422 is a wasteful number, since it uses less digits than its factorization.

31144248422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89600.

The product of its digits is 49152, while the sum is 35.

The spelling of 31144248422 in words is "thirty-one billion, one hundred forty-four million, two hundred forty-eight thousand, four hundred twenty-two".