731010157 has 2 divisors, whose sum is σ = 731010158. Its totient is φ = 731010156.

The previous prime is 731010131. The next prime is 731010187. The reversal of 731010157 is 751010137.

731010157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 584382276 + 146627881 = 24174^2 + 12109^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-731010157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (731010187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365505078 + 365505079.

It is an arithmetic number, because the mean of its divisors is an integer number (365505079).

Almost surely, 2^731010157 is an apocalyptic number.

It is an amenable number.

731010157 is a deficient number, since it is larger than the sum of its proper divisors (1).

731010157 is an equidigital number, since it uses as much as digits as its factorization.

731010157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 735, while the sum is 25.

The square root of 731010157 is about 27037.1995036468. The cubic root of 731010157 is about 900.8264659306.

The spelling of 731010157 in words is "seven hundred thirty-one million, ten thousand, one hundred fifty-seven".