231902833 has 2 divisors, whose sum is σ = 231902834. Its totient is φ = 231902832.

The previous prime is 231902807. The next prime is 231902851. The reversal of 231902833 is 338209132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 231557089 + 345744 = 15217^2 + 588^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231902833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231902795 and 231902804.

It is not a weakly prime, because it can be changed into another prime (231906833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115951416 + 115951417.

It is an arithmetic number, because the mean of its divisors is an integer number (115951417).

Almost surely, 2^231902833 is an apocalyptic number.

It is an amenable number.

231902833 is a deficient number, since it is larger than the sum of its proper divisors (1).

231902833 is an equidigital number, since it uses as much as digits as its factorization.

231902833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 231902833 is about 15228.3562146412. The cubic root of 231902833 is about 614.3775693051.

The spelling of 231902833 in words is "two hundred thirty-one million, nine hundred two thousand, eight hundred thirty-three".