1349339431 has 8 divisors (see below), whose sum is σ = 1483244928. Its totient is φ = 1217307000.

The previous prime is 1349339423. The next prime is 1349339461.

1349339431 is nontrivially palindromic in base 10.

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 1349339431 - 2³ = 1349339423 is a prime.

It is a super-2 number, since 2×1349339431² = 3641433800102807522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1349339401) 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, 466755 + ... + 469636.

It is an arithmetic number, because the mean of its divisors is an integer number (185405616).

Almost surely, 2^1349339431 is an apocalyptic number.

1349339431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1349339431 is a deficient number, since it is larger than the sum of its proper divisors (133905497).

1349339431 is a wasteful number, since it uses less digits than its factorization.

1349339431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936533.

The product of its digits is 104976, while the sum is 40.

The square root of 1349339431 is about 36733.3558363512. The cubic root of 1349339431 is about 1105.0291567008.

The spelling of 1349339431 in words is "one billion, three hundred forty-nine million, three hundred thirty-nine thousand, four hundred thirty-one".