1343320231431 has 32 divisors (see below), whose sum is σ = 1931028422400. Its totient is φ = 827582317056.

The previous prime is 1343320231369. The next prime is 1343320231441. The reversal of 1343320231431 is 1341320233431.

It is not a de Polignac number, because 1343320231431 - 2⁷ = 1343320231303 is a prime.

It is a super-2 number, since 2×1343320231431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343320231441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 408745 + ... + 1689293.

It is an arithmetic number, because the mean of its divisors is an integer number (60344638200).

Almost surely, 2^{1343320231431} is an apocalyptic number.

1343320231431 is a deficient number, since it is larger than the sum of its proper divisors (587708190969).

1343320231431 is a wasteful number, since it uses less digits than its factorization.

1343320231431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280943.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 1343320231431 its reverse (1341320233431), we get a palindrome (2684640464862).

It can be divided in two parts, 1343320 and 231431, that added together give a palindrome (1574751).

The spelling of 1343320231431 in words is "one trillion, three hundred forty-three billion, three hundred twenty million, two hundred thirty-one thousand, four hundred thirty-one".