1310222131202 has 4 divisors (see below), whose sum is σ = 1965333196806. Its totient is φ = 655111065600.

The previous prime is 1310222131133. The next prime is 1310222131213. The reversal of 1310222131202 is 2021312220131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1303321340161 + 6900791041 = 1141631^2 + 83071^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327555532799 + ... + 327555532802.

Almost surely, 2^{1310222131202} is an apocalyptic number.

1310222131202 is a deficient number, since it is larger than the sum of its proper divisors (655111065604).

1310222131202 is an equidigital number, since it uses as much as digits as its factorization.

1310222131202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655111065603.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1310222131202 its reverse (2021312220131), we get a palindrome (3331534351333).

The spelling of 1310222131202 in words is "one trillion, three hundred ten billion, two hundred twenty-two million, one hundred thirty-one thousand, two hundred two".