213111312098 has 8 divisors (see below), whose sum is σ = 319668932700. Its totient is φ = 106555001200.

The previous prime is 213111312097. The next prime is 213111312119. The reversal of 213111312098 is 890213111312.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 188749409209 + 24361902889 = 434453^2 + 156083^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×213111312098² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213111312097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427328 + ... + 780276.

Almost surely, 2^213111312098 is an apocalyptic number.

213111312098 is a deficient number, since it is larger than the sum of its proper divisors (106557620602).

213111312098 is a wasteful number, since it uses less digits than its factorization.

213111312098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654852.

The product of its (nonzero) digits is 2592, while the sum is 32.

The spelling of 213111312098 in words is "two hundred thirteen billion, one hundred eleven million, three hundred twelve thousand, ninety-eight".