1339342231 has 4 divisors (see below), whose sum is σ = 1339454232. Its totient is φ = 1339230232.

The previous prime is 1339342217. The next prime is 1339342241. The reversal of 1339342231 is 1322439331.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1339342231 - 2¹¹ = 1339340183 is a prime.

It is a super-2 number, since 2×1339342231² = 3587675223480114722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1339342193 and 1339342202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1339342241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35581 + ... + 62806.

It is an arithmetic number, because the mean of its divisors is an integer number (334863558).

Almost surely, 2^1339342231 is an apocalyptic number.

1339342231 is a deficient number, since it is larger than the sum of its proper divisors (112001).

1339342231 is an equidigital number, since it uses as much as digits as its factorization.

1339342231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112000.

The product of its digits is 11664, while the sum is 31.

The square root of 1339342231 is about 36597.0248927423. The cubic root of 1339342231 is about 1102.2933506143.

The spelling of 1339342231 in words is "one billion, three hundred thirty-nine million, three hundred forty-two thousand, two hundred thirty-one".