1231310202202 has 8 divisors (see below), whose sum is σ = 1906544829312. Its totient is φ = 595795259100.

The previous prime is 1231310202197. The next prime is 1231310202229. The reversal of 1231310202202 is 2022020131321.

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

It is a super-2 number, since 2×1231310202202² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1231310202202.

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, 9929920924 + ... + 9929921047.

It is an arithmetic number, because the mean of its divisors is an integer number (238318103664).

Almost surely, 2^{1231310202202} is an apocalyptic number.

1231310202202 is a deficient number, since it is larger than the sum of its proper divisors (675234627110).

1231310202202 is a wasteful number, since it uses less digits than its factorization.

1231310202202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19859842004.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1231310202202 its reverse (2022020131321), we get a palindrome (3253330333523).

The spelling of 1231310202202 in words is "one trillion, two hundred thirty-one billion, three hundred ten million, two hundred two thousand, two hundred two".