1313012221231 has 8 divisors (see below), whose sum is σ = 1315491693824. Its totient is φ = 1310533038360.

The previous prime is 1313012221223. The next prime is 1313012221247. The reversal of 1313012221231 is 1321222103131.

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

It is a cyclic number.

It is not a de Polignac number, because 1313012221231 - 2³ = 1313012221223 is a prime.

It is a super-2 number, since 2×1313012221231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313012221211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10430536 + ... + 10555666.

It is an arithmetic number, because the mean of its divisors is an integer number (164436461728).

Almost surely, 2^{1313012221231} is an apocalyptic number.

1313012221231 is a deficient number, since it is larger than the sum of its proper divisors (2479472593).

1313012221231 is a wasteful number, since it uses less digits than its factorization.

1313012221231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144861.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1313012221231 its reverse (1321222103131), we get a palindrome (2634234324362).

It can be divided in two parts, 131301 and 2221231, that added together give a palindrome (2352532).

The spelling of 1313012221231 in words is "one trillion, three hundred thirteen billion, twelve million, two hundred twenty-one thousand, two hundred thirty-one".