7157929231 has 2 divisors, whose sum is σ = 7157929232. Its totient is φ = 7157929230.

The previous prime is 7157929217. The next prime is 7157929297. The reversal of 7157929231 is 1329297517.

7157929231 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7157929231 - 2¹³ = 7157921039 is a prime.

It is a super-2 number, since 2×7157929231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7157929201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3578964615 + 3578964616.

It is an arithmetic number, because the mean of its divisors is an integer number (3578964616).

Almost surely, 2^7157929231 is an apocalyptic number.

7157929231 is a deficient number, since it is larger than the sum of its proper divisors (1).

7157929231 is an equidigital number, since it uses as much as digits as its factorization.

7157929231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 238140, while the sum is 46.

The square root of 7157929231 is about 84604.5461603571. The cubic root of 7157929231 is about 1927.2104124579.

The spelling of 7157929231 in words is "seven billion, one hundred fifty-seven million, nine hundred twenty-nine thousand, two hundred thirty-one".