743157131 has 2 divisors, whose sum is σ = 743157132. Its totient is φ = 743157130.

The previous prime is 743157113. The next prime is 743157139. The reversal of 743157131 is 131751347.

Together with previous prime (743157113) 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 743157131 - 2¹⁸ = 742894987 is a prime.

It is a super-2 number, since 2×743157131² = 1104565042712302322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (743157139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371578565 + 371578566.

It is an arithmetic number, because the mean of its divisors is an integer number (371578566).

Almost surely, 2^743157131 is an apocalyptic number.

743157131 is a deficient number, since it is larger than the sum of its proper divisors (1).

743157131 is an equidigital number, since it uses as much as digits as its factorization.

743157131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8820, while the sum is 32.

The square root of 743157131 is about 27260.9084771583. The cubic root of 743157131 is about 905.7886681466.

The spelling of 743157131 in words is "seven hundred forty-three million, one hundred fifty-seven thousand, one hundred thirty-one".