181312983224202 has 32 divisors (see below), whose sum is σ = 377142065023680. Its totient is φ = 58064394165120.

The previous prime is 181312983224171. The next prime is 181312983224207. The reversal of 181312983224202 is 202422389213181.

It is not an unprimeable number, because it can be changed into a prime (181312983224207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5760340827 + ... + 5760372302.

It is an arithmetic number, because the mean of its divisors is an integer number (11785689531990).

Almost surely, 2^{181312983224202} is an apocalyptic number.

181312983224202 is an abundant number, since it is smaller than the sum of its proper divisors (195829081799478).

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

181312983224202 is a wasteful number, since it uses less digits than its factorization.

181312983224202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11520713238.

The product of its (nonzero) digits is 663552, while the sum is 48.

The spelling of 181312983224202 in words is "one hundred eighty-one trillion, three hundred twelve billion, nine hundred eighty-three million, two hundred twenty-four thousand, two hundred two".