406167031 has 2 divisors, whose sum is σ = 406167032. Its totient is φ = 406167030.

The previous prime is 406167029. The next prime is 406167049. The reversal of 406167031 is 130761604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 406167031 - 2¹ = 406167029 is a prime.

It is a super-2 number, since 2×406167031² = 329943314142709922, which contains 22 as substring.

Together with 406167029, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406167001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203083515 + 203083516.

It is an arithmetic number, because the mean of its divisors is an integer number (203083516).

Almost surely, 2^406167031 is an apocalyptic number.

406167031 is a deficient number, since it is larger than the sum of its proper divisors (1).

406167031 is an equidigital number, since it uses as much as digits as its factorization.

406167031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 406167031 is about 20153.5860580692. The cubic root of 406167031 is about 740.5735941129.

The spelling of 406167031 in words is "four hundred six million, one hundred sixty-seven thousand, thirty-one".