31343393088 has 168 divisors, whose sum is σ = 104859685632. Its totient is φ = 8764664832.

The previous prime is 31343393087. The next prime is 31343393113. The reversal of 31343393088 is 88039334313.

31343393088 is a `hidden beast` number, since 3 + 1 + 3 + 4 + 339 + 308 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31343393087) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106806 + ... + 272202.

Almost surely, 2^31343393088 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 31343393088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52429842816).

31343393088 is an abundant number, since it is smaller than the sum of its proper divisors (73516292544).

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

31343393088 is a wasteful number, since it uses less digits than its factorization.

31343393088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165469 (or 165456 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 31343393088 in words is "thirty-one billion, three hundred forty-three million, three hundred ninety-three thousand, eighty-eight".