1347112931 has 2 divisors, whose sum is σ = 1347112932. Its totient is φ = 1347112930.

The previous prime is 1347112913. The next prime is 1347112937. The reversal of 1347112931 is 1392117431.

Together with previous prime (1347112913) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1347112931 - 2¹⁴ = 1347096547 is a prime.

It is a super-3 number, since 3×1347112931³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (1347112937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 673556465 + 673556466.

It is an arithmetic number, because the mean of its divisors is an integer number (673556466).

Almost surely, 2^1347112931 is an apocalyptic number.

1347112931 is a deficient number, since it is larger than the sum of its proper divisors (1).

1347112931 is an equidigital number, since it uses as much as digits as its factorization.

1347112931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 32.

The square root of 1347112931 is about 36703.0370814188. The cubic root of 1347112931 is about 1104.4210315080.

The spelling of 1347112931 in words is "one billion, three hundred forty-seven million, one hundred twelve thousand, nine hundred thirty-one".