1131313233202 has 4 divisors (see below), whose sum is σ = 1696969849806. Its totient is φ = 565656616600.

The previous prime is 1131313233163. The next prime is 1131313233209. The reversal of 1131313233202 is 2023323131311.

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., 803409261561 + 327903971641 = 896331^2 + 572629^2 .

It is not an unprimeable number, because it can be changed into a prime (1131313233209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282828308299 + ... + 282828308302.

Almost surely, 2^{1131313233202} is an apocalyptic number.

1131313233202 is a deficient number, since it is larger than the sum of its proper divisors (565656616604).

1131313233202 is an equidigital number, since it uses as much as digits as its factorization.

1131313233202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565656616603.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1131313233202 its reverse (2023323131311), we get a palindrome (3154636364513).

The spelling of 1131313233202 in words is "one trillion, one hundred thirty-one billion, three hundred thirteen million, two hundred thirty-three thousand, two hundred two".