31320220223068 has 48 divisors (see below), whose sum is σ = 62697419948800. Its totient is φ = 13410746363520.

The previous prime is 31320220223053. The next prime is 31320220223069. The reversal of 31320220223068 is 86032202202313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31320220223069) 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, 163090528 + ... + 163282456.

Almost surely, 2^{31320220223068} is an apocalyptic number.

It is an amenable number.

31320220223068 is an abundant number, since it is smaller than the sum of its proper divisors (31377199725732).

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

31320220223068 is a wasteful number, since it uses less digits than its factorization.

31320220223068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197210 (or 197208 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 31320220223068 in words is "thirty-one trillion, three hundred twenty billion, two hundred twenty million, two hundred twenty-three thousand, sixty-eight".