1312431422011 has 8 divisors (see below), whose sum is σ = 1343063456064. Its totient is φ = 1281804405000.

The previous prime is 1312431422009. The next prime is 1312431422021. The reversal of 1312431422011 is 1102241342131.

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 1312431422011 - 2¹ = 1312431422009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312431422021) 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, 722365 + ... + 1773886.

It is an arithmetic number, because the mean of its divisors is an integer number (167882932008).

Almost surely, 2^{1312431422011} is an apocalyptic number.

1312431422011 is a deficient number, since it is larger than the sum of its proper divisors (30632034053).

1312431422011 is a wasteful number, since it uses less digits than its factorization.

1312431422011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2508521.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 1312431422011 its reverse (1102241342131), we get a palindrome (2414672764142).

The spelling of 1312431422011 in words is "one trillion, three hundred twelve billion, four hundred thirty-one million, four hundred twenty-two thousand, eleven".