31144113422422 has 192 divisors, whose sum is σ = 67420350466560. Its totient is φ = 10577023027200.

The previous prime is 31144113422353. The next prime is 31144113422467. The reversal of 31144113422422 is 22422431144113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 82620678 + ... + 82996774.

It is an arithmetic number, because the mean of its divisors is an integer number (351147658680).

Almost surely, 2^{31144113422422} is an apocalyptic number.

31144113422422 is an abundant number, since it is smaller than the sum of its proper divisors (36276237044138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31144113422422 is a wasteful number, since it uses less digits than its factorization.

31144113422422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376467 (or 376460 counting only the distinct ones).

The product of its digits is 36864, while the sum is 34.

Adding to 31144113422422 its reverse (22422431144113), we get a palindrome (53566544566535).

The spelling of 31144113422422 in words is "thirty-one trillion, one hundred forty-four billion, one hundred thirteen million, four hundred twenty-two thousand, four hundred twenty-two".