1311213431001 has 8 divisors (see below), whose sum is σ = 1748934747040. Its totient is φ = 873817201152.

The previous prime is 1311213430979. The next prime is 1311213431051. The reversal of 1311213431001 is 1001343121131.

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

It is not a de Polignac number, because 1311213431001 - 2⁹ = 1311213430489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311213431051) 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, 81262135 + ... + 81278268.

It is an arithmetic number, because the mean of its divisors is an integer number (218616843380).

Almost surely, 2^{1311213431001} is an apocalyptic number.

It is an amenable number.

1311213431001 is a deficient number, since it is larger than the sum of its proper divisors (437721316039).

1311213431001 is a wasteful number, since it uses less digits than its factorization.

1311213431001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162543095.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1311213431001 its reverse (1001343121131), we get a palindrome (2312556552132).

The spelling of 1311213431001 in words is "one trillion, three hundred eleven billion, two hundred thirteen million, four hundred thirty-one thousand, one".