10920431 has 2 divisors, whose sum is σ = 10920432. Its totient is φ = 10920430.

The previous prime is 10920367. The next prime is 10920451. The reversal of 10920431 is 13402901.

10920431 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (10920451) can be obtained adding 10920431 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10920431 - 2⁶ = 10920367 is a prime.

It is a super-2 number, since 2×10920431² = 238511626451522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10920451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5460215 + 5460216.

It is an arithmetic number, because the mean of its divisors is an integer number (5460216).

Almost surely, 2^10920431 is an apocalyptic number.

10920431 is a deficient number, since it is larger than the sum of its proper divisors (1).

10920431 is an equidigital number, since it uses as much as digits as its factorization.

10920431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 10920431 is about 3304.6075409948. The cubic root of 10920431 is about 221.8604688229.

The spelling of 10920431 in words is "ten million, nine hundred twenty thousand, four hundred thirty-one".