1313202213231 has 8 divisors (see below), whose sum is σ = 1811313397680. Its totient is φ = 845279585472.

The previous prime is 1313202213209. The next prime is 1313202213329. The reversal of 1313202213231 is 1323122023131.

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

It is not a de Polignac number, because 1313202213231 - 2³³ = 1304612278639 is a prime.

It is a super-2 number, since 2×1313202213231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313202213331) 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, 7547139070 + ... + 7547139243.

It is an arithmetic number, because the mean of its divisors is an integer number (226414174710).

Almost surely, 2^{1313202213231} is an apocalyptic number.

1313202213231 is a deficient number, since it is larger than the sum of its proper divisors (498111184449).

1313202213231 is a wasteful number, since it uses less digits than its factorization.

1313202213231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15094278345.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1313202213231 its reverse (1323122023131), we get a palindrome (2636324236362).

The spelling of 1313202213231 in words is "one trillion, three hundred thirteen billion, two hundred two million, two hundred thirteen thousand, two hundred thirty-one".