31222654848 has 256 divisors, whose sum is σ = 114889536000. Its totient is φ = 8109711360.

The previous prime is 31222654843. The next prime is 31222654849. The reversal of 31222654848 is 84845622213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31222654843) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 207448 + ... + 324776.

It is an arithmetic number, because the mean of its divisors is an integer number (448787250).

Almost surely, 2^31222654848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31222654848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57444768000).

31222654848 is an abundant number, since it is smaller than the sum of its proper divisors (83666881152).

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

31222654848 is a wasteful number, since it uses less digits than its factorization.

31222654848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117370 (or 117352 counting only the distinct ones).

The product of its digits is 737280, while the sum is 45.

The spelling of 31222654848 in words is "thirty-one billion, two hundred twenty-two million, six hundred fifty-four thousand, eight hundred forty-eight".