1342437331 has 2 divisors, whose sum is σ = 1342437332. Its totient is φ = 1342437330.

The previous prime is 1342437307. The next prime is 1342437353. The reversal of 1342437331 is 1337342431.

It is a strong prime.

It is an emirp because it is prime and its reverse (1337342431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1342437331 - 2⁷ = 1342437203 is a prime.

It is a super-2 number, since 2×1342437331² = 3604275975324807122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1342437293 and 1342437302.

It is not a weakly prime, because it can be changed into another prime (1342437731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671218665 + 671218666.

It is an arithmetic number, because the mean of its divisors is an integer number (671218666).

Almost surely, 2^1342437331 is an apocalyptic number.

1342437331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342437331 is an equidigital number, since it uses as much as digits as its factorization.

1342437331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 31.

The square root of 1342437331 is about 36639.2867152187. The cubic root of 1342437331 is about 1103.1417978070.

Adding to 1342437331 its reverse (1337342431), we get a palindrome (2679779762).

The spelling of 1342437331 in words is "one billion, three hundred forty-two million, four hundred thirty-seven thousand, three hundred thirty-one".