10128431 has 2 divisors, whose sum is σ = 10128432. Its totient is φ = 10128430.

The previous prime is 10128427. The next prime is 10128439. The reversal of 10128431 is 13482101.

10128431 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 is a cyclic number.

It is not a de Polignac number, because 10128431 - 2² = 10128427 is a prime.

It is a super-2 number, since 2×10128431² = 205170229043522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10128439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5064215 + 5064216.

It is an arithmetic number, because the mean of its divisors is an integer number (5064216).

Almost surely, 2^10128431 is an apocalyptic number.

10128431 is a deficient number, since it is larger than the sum of its proper divisors (1).

10128431 is an equidigital number, since it uses as much as digits as its factorization.

10128431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 10128431 is about 3182.5195993112. The cubic root of 10128431 is about 216.3618691236.

The spelling of 10128431 in words is "ten million, one hundred twenty-eight thousand, four hundred thirty-one".