1347231297 has 16 divisors (see below), whose sum is σ = 1811653632. Its totient is φ = 890513280.

The previous prime is 1347231257. The next prime is 1347231343. The reversal of 1347231297 is 7921327431.

It is not a de Polignac number, because 1347231297 - 2¹⁶ = 1347165761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1347231217) 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, 177933 + ... + 185349.

It is an arithmetic number, because the mean of its divisors is an integer number (113228352).

Almost surely, 2^1347231297 is an apocalyptic number.

It is an amenable number.

1347231297 is a deficient number, since it is larger than the sum of its proper divisors (464422335).

1347231297 is a wasteful number, since it uses less digits than its factorization.

1347231297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7928.

The product of its digits is 63504, while the sum is 39.

The square root of 1347231297 is about 36704.6495283636. The cubic root of 1347231297 is about 1104.4533777373.

The spelling of 1347231297 in words is "one billion, three hundred forty-seven million, two hundred thirty-one thousand, two hundred ninety-seven".