1213231310301 has 4 divisors (see below), whose sum is σ = 1617641747072. Its totient is φ = 808820873532.

The previous prime is 1213231310297. The next prime is 1213231310309. The reversal of 1213231310301 is 1030131323121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1213231310301 - 2² = 1213231310297 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213231310309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202205218381 + ... + 202205218386.

It is an arithmetic number, because the mean of its divisors is an integer number (404410436768).

Almost surely, 2^{1213231310301} is an apocalyptic number.

It is an amenable number.

1213231310301 is a deficient number, since it is larger than the sum of its proper divisors (404410436771).

1213231310301 is an equidigital number, since it uses as much as digits as its factorization.

1213231310301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404410436770.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1213231310301 its reverse (1030131323121), we get a palindrome (2243362633422).

The spelling of 1213231310301 in words is "one trillion, two hundred thirteen billion, two hundred thirty-one million, three hundred ten thousand, three hundred one".