31023220030068 has 96 divisors (see below), whose sum is σ = 85434705707008. Its totient is φ = 8574086649600.

The previous prime is 31023220030067. The next prime is 31023220030069. The reversal of 31023220030068 is 86003002232013.

It is an interprime number because it is at equal distance from previous prime (31023220030067) and next prime (31023220030069).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31023220030067) 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, 3328221 + ... + 8551227.

Almost surely, 2^{31023220030068} 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 31023220030068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42717352853504).

31023220030068 is an abundant number, since it is smaller than the sum of its proper divisors (54411485676940).

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

31023220030068 is a wasteful number, since it uses less digits than its factorization.

31023220030068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5225333 (or 5225331 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The spelling of 31023220030068 in words is "thirty-one trillion, twenty-three billion, two hundred twenty million, thirty thousand, sixty-eight".