131223101222202 has 16 divisors (see below), whose sum is σ = 286304948121312. Its totient is φ = 39764576127920.

The previous prime is 131223101222197. The next prime is 131223101222207. The reversal of 131223101222202 is 202222101322131.

It is an interprime number because it is at equal distance from previous prime (131223101222197) and next prime (131223101222207).

It is not an unprimeable number, because it can be changed into a prime (131223101222207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 994114403133 + ... + 994114403264.

It is an arithmetic number, because the mean of its divisors is an integer number (17894059257582).

Almost surely, 2^{131223101222202} is an apocalyptic number.

131223101222202 is an abundant number, since it is smaller than the sum of its proper divisors (155081846899110).

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

131223101222202 is a wasteful number, since it uses less digits than its factorization.

131223101222202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988228806413.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 131223101222202 its reverse (202222101322131), we get a palindrome (333445202544333).

The spelling of 131223101222202 in words is "one hundred thirty-one trillion, two hundred twenty-three billion, one hundred one million, two hundred twenty-two thousand, two hundred two".