106021831 has 2 divisors, whose sum is σ = 106021832. Its totient is φ = 106021830.

The previous prime is 106021823. The next prime is 106021847. The reversal of 106021831 is 138120601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 106021831 - 2³ = 106021823 is a prime.

It is a super-2 number, since 2×106021831² = 22481257297185122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106021631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53010915 + 53010916.

It is an arithmetic number, because the mean of its divisors is an integer number (53010916).

Almost surely, 2^106021831 is an apocalyptic number.

106021831 is a deficient number, since it is larger than the sum of its proper divisors (1).

106021831 is an equidigital number, since it uses as much as digits as its factorization.

106021831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 106021831 is about 10296.6902934875. The cubic root of 106021831 is about 473.2948367929.

The spelling of 106021831 in words is "one hundred six million, twenty-one thousand, eight hundred thirty-one".