1231314133 has 8 divisors (see below), whose sum is σ = 1481280320. Its totient is φ = 999864000.

The previous prime is 1231314061. The next prime is 1231314137. The reversal of 1231314133 is 3314131321.

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 1231314133 - 2²⁹ = 694443221 is a prime.

It is a super-2 number, since 2×1231314133² = 3032268988251083378, which 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 (1231314137) 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, 4628868 + ... + 4629133.

It is an arithmetic number, because the mean of its divisors is an integer number (185160040).

Almost surely, 2^1231314133 is an apocalyptic number.

It is an amenable number.

1231314133 is a deficient number, since it is larger than the sum of its proper divisors (249966187).

1231314133 is an equidigital number, since it uses as much as digits as its factorization.

1231314133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9258027.

The product of its digits is 648, while the sum is 22.

The square root of 1231314133 is about 35090.0859645570. The cubic root of 1231314133 is about 1071.8227101205.

Adding to 1231314133 its reverse (3314131321), we get a palindrome (4545445454).

The spelling of 1231314133 in words is "one billion, two hundred thirty-one million, three hundred fourteen thousand, one hundred thirty-three".