1201313303231 has 4 divisors (see below), whose sum is σ = 1212540530472. Its totient is φ = 1190086075992.

The previous prime is 1201313303219. The next prime is 1201313303269. The reversal of 1201313303231 is 1323033131021.

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

It is a cyclic number.

It is not a de Polignac number, because 1201313303231 - 2¹⁴ = 1201313286847 is a prime.

It is a super-2 number, since 2×1201313303231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201313303197 and 1201313303206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201313306231) 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, 5613613460 + ... + 5613613673.

It is an arithmetic number, because the mean of its divisors is an integer number (303135132618).

Almost surely, 2^{1201313303231} is an apocalyptic number.

1201313303231 is a deficient number, since it is larger than the sum of its proper divisors (11227227241).

1201313303231 is a wasteful number, since it uses less digits than its factorization.

1201313303231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11227227240.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1201313303231 its reverse (1323033131021), we get a palindrome (2524346434252).

The spelling of 1201313303231 in words is "one trillion, two hundred one billion, three hundred thirteen million, three hundred three thousand, two hundred thirty-one".