2313019998 has 48 divisors (see below), whose sum is σ = 5161343616. Its totient is φ = 748077120.

The previous prime is 2313019979. The next prime is 2313020053. The reversal of 2313019998 is 8999103132.

It is a happy number.

It is a super-2 number, since 2×2313019998² = 10700123022295840008, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 243763 + ... + 253073.

It is an arithmetic number, because the mean of its divisors is an integer number (107527992).

Almost surely, 2^2313019998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2313019998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2580671808).

2313019998 is an abundant number, since it is smaller than the sum of its proper divisors (2848323618).

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

2313019998 is a wasteful number, since it uses less digits than its factorization.

2313019998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9729 (or 9726 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 2313019998 is about 48093.8665320226. The cubic root of 2313019998 is about 1322.4922302804.

The spelling of 2313019998 in words is "two billion, three hundred thirteen million, nineteen thousand, nine hundred ninety-eight".