1312341031 has 8 divisors (see below), whose sum is σ = 1359997200. Its totient is φ = 1264845120.

The previous prime is 1312341013. The next prime is 1312341053. The reversal of 1312341031 is 1301432131.

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 1312341031 - 2⁵ = 1312340999 is a prime.

It is a super-2 number, since 2×1312341031² = 3444477963292285922, 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 (1312341431) 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, 23265 + ... + 56266.

It is an arithmetic number, because the mean of its divisors is an integer number (169999650).

Almost surely, 2^1312341031 is an apocalyptic number.

1312341031 is a deficient number, since it is larger than the sum of its proper divisors (47656169).

1312341031 is an equidigital number, since it uses as much as digits as its factorization.

1312341031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80129.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1312341031 is about 36226.2478183982. The cubic root of 1312341031 is about 1094.8355795188.

Adding to 1312341031 its reverse (1301432131), we get a palindrome (2613773162).

The spelling of 1312341031 in words is "one billion, three hundred twelve million, three hundred forty-one thousand, thirty-one".