202131244330 has 8 divisors (see below), whose sum is σ = 363836239812. Its totient is φ = 80852497728.

The previous prime is 202131244321. The next prime is 202131244369. The reversal of 202131244330 is 33442131202.

It can be written as a sum of positive squares in 2 ways, for example, as 165820798521 + 36310445809 = 407211^2 + 190553^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 202131244295 and 202131244304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10106562207 + ... + 10106562226.

Almost surely, 2^202131244330 is an apocalyptic number.

202131244330 is a deficient number, since it is larger than the sum of its proper divisors (161704995482).

202131244330 is a wasteful number, since it uses less digits than its factorization.

202131244330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20213124440.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 202131244330 its reverse (33442131202), we get a palindrome (235573375532).

The spelling of 202131244330 in words is "two hundred two billion, one hundred thirty-one million, two hundred forty-four thousand, three hundred thirty".