1213431341 has 8 divisors (see below), whose sum is σ = 1219452600. Its totient is φ = 1207422720.

The previous prime is 1213431301. The next prime is 1213431353. The reversal of 1213431341 is 1431343121.

It can be written as a sum of positive squares in 4 ways, for example, as 677508841 + 535922500 = 26029^2 + 23150^2 .

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 1213431341 - 2⁶ = 1213431277 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 (1213431301) 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, 230345 + ... + 235553.

It is an arithmetic number, because the mean of its divisors is an integer number (152431575).

Almost surely, 2^1213431341 is an apocalyptic number.

It is an amenable number.

1213431341 is a deficient number, since it is larger than the sum of its proper divisors (6021259).

1213431341 is an equidigital number, since it uses as much as digits as its factorization.

1213431341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6319.

The product of its digits is 864, while the sum is 23.

The square root of 1213431341 is about 34834.3414032762. The cubic root of 1213431341 is about 1066.6085711306.

Adding to 1213431341 its reverse (1431343121), we get a palindrome (2644774462).

The spelling of 1213431341 in words is "one billion, two hundred thirteen million, four hundred thirty-one thousand, three hundred forty-one".