747136331 has 2 divisors, whose sum is σ = 747136332. Its totient is φ = 747136330.

The previous prime is 747136307. The next prime is 747136333. The reversal of 747136331 is 133631747.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 747136331 - 2⁶ = 747136267 is a prime.

It is a super-2 number, since 2×747136331² = 1116425394200283122, which contains 22 as substring.

Together with 747136333, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 747136291 and 747136300.

It is not a weakly prime, because it can be changed into another prime (747136333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373568165 + 373568166.

It is an arithmetic number, because the mean of its divisors is an integer number (373568166).

Almost surely, 2^747136331 is an apocalyptic number.

747136331 is a deficient number, since it is larger than the sum of its proper divisors (1).

747136331 is an equidigital number, since it uses as much as digits as its factorization.

747136331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752, while the sum is 35.

The square root of 747136331 is about 27333.7946688710. The cubic root of 747136331 is about 907.4024588882.

The spelling of 747136331 in words is "seven hundred forty-seven million, one hundred thirty-six thousand, three hundred thirty-one".