312223202098 has 4 divisors (see below), whose sum is σ = 468334803150. Its totient is φ = 156111601048.

The previous prime is 312223202063. The next prime is 312223202099. The reversal of 312223202098 is 890202322213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 890202322213 = 151523 ⋅5875031.

It can be written as a sum of positive squares in only one way, i.e., 304740433089 + 7482769009 = 552033^2 + 86503^2 .

It is not an unprimeable number, because it can be changed into a prime (312223202099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78055800523 + ... + 78055800526.

Almost surely, 2^312223202098 is an apocalyptic number.

312223202098 is a deficient number, since it is larger than the sum of its proper divisors (156111601052).

312223202098 is a wasteful number, since it uses less digits than its factorization.

312223202098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156111601051.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 312223202098 in words is "three hundred twelve billion, two hundred twenty-three million, two hundred two thousand, ninety-eight".