3213109998 has 64 divisors (see below), whose sum is σ = 8175168000. Its totient is φ = 916356672.

The previous prime is 3213109997. The next prime is 3213110023. The reversal of 3213109998 is 8999013123.

It is a happy number.

3213109998 is a `hidden beast` number, since 321 + 310 + 9 + 9 + 9 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213109993) 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, 207613 + ... + 222551.

It is an arithmetic number, because the mean of its divisors is an integer number (127737000).

Almost surely, 2^3213109998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3213109998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4087584000).

3213109998 is an abundant number, since it is smaller than the sum of its proper divisors (4962058002).

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

3213109998 is a wasteful number, since it uses less digits than its factorization.

3213109998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15526 (or 15520 counting only the distinct ones).

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

The square root of 3213109998 is about 56684.3011600214. The cubic root of 3213109998 is about 1475.6222594073.

The spelling of 3213109998 in words is "three billion, two hundred thirteen million, one hundred nine thousand, nine hundred ninety-eight".