1340130023431 has 8 divisors (see below), whose sum is σ = 1376540211200. Its totient is φ = 1303729859808.

The previous prime is 1340130023429. The next prime is 1340130023521. The reversal of 1340130023431 is 1343200310431.

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 1340130023431 - 2¹ = 1340130023429 is a prime.

It is a super-2 number, since 2×1340130023431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1340130023396 and 1340130023405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340130023231) 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, 2234631 + ... + 2770168.

It is an arithmetic number, because the mean of its divisors is an integer number (172067526400).

Almost surely, 2^{1340130023431} is an apocalyptic number.

1340130023431 is a deficient number, since it is larger than the sum of its proper divisors (36410187769).

1340130023431 is an equidigital number, since it uses as much as digits as its factorization.

1340130023431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5012073.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1340130023431 its reverse (1343200310431), we get a palindrome (2683330333862).

The spelling of 1340130023431 in words is "one trillion, three hundred forty billion, one hundred thirty million, twenty-three thousand, four hundred thirty-one".