1343366431 has 16 divisors (see below), whose sum is σ = 1517257728. Its totient is φ = 1178337600.

The previous prime is 1343366413. The next prime is 1343366471. The reversal of 1343366431 is 1346633431.

It is not a de Polignac number, because 1343366431 - 2¹¹ = 1343364383 is a prime.

It is a super-2 number, since 2×1343366431² = 3609266735875355522, 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 (1343366471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112651 + ... + 124003.

It is an arithmetic number, because the mean of its divisors is an integer number (94828608).

Almost surely, 2^1343366431 is an apocalyptic number.

1343366431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1343366431 is a deficient number, since it is larger than the sum of its proper divisors (173891297).

1343366431 is a wasteful number, since it uses less digits than its factorization.

1343366431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11742.

The product of its digits is 46656, while the sum is 34.

The square root of 1343366431 is about 36651.9635353960. The cubic root of 1343366431 is about 1103.3962336903.

Adding to 1343366431 its reverse (1346633431), we get a palindrome (2689999862).

The spelling of 1343366431 in words is "one billion, three hundred forty-three million, three hundred sixty-six thousand, four hundred thirty-one".