152831309 has 16 divisors (see below), whose sum is σ = 164301696. Its totient is φ = 141657600.

The previous prime is 152831293. The next prime is 152831323. The reversal of 152831309 is 903138251.

It is not a de Polignac number, because 152831309 - 2⁴ = 152831293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152831339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 491264 + ... + 491574.

It is an arithmetic number, because the mean of its divisors is an integer number (10268856).

Almost surely, 2^152831309 is an apocalyptic number.

It is an amenable number.

152831309 is a deficient number, since it is larger than the sum of its proper divisors (11470387).

152831309 is a wasteful number, since it uses less digits than its factorization.

152831309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 152831309 is about 12362.4960667334. The cubic root of 152831309 is about 534.6514852476.

The spelling of 152831309 in words is "one hundred fifty-two million, eight hundred thirty-one thousand, three hundred nine".