231010387 has 2 divisors, whose sum is σ = 231010388. Its totient is φ = 231010386.

The previous prime is 231010369. The next prime is 231010393. The reversal of 231010387 is 783010132.

231010387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231010387 - 2²³ = 222621779 is a prime.

It is not a weakly prime, because it can be changed into another prime (231010337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115505193 + 115505194.

It is an arithmetic number, because the mean of its divisors is an integer number (115505194).

Almost surely, 2^231010387 is an apocalyptic number.

231010387 is a deficient number, since it is larger than the sum of its proper divisors (1).

231010387 is an equidigital number, since it uses as much as digits as its factorization.

231010387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 231010387 is about 15199.0258569423. The cubic root of 231010387 is about 613.5884404339.

The spelling of 231010387 in words is "two hundred thirty-one million, ten thousand, three hundred eighty-seven".