101422631 has 2 divisors, whose sum is σ = 101422632. Its totient is φ = 101422630.

The previous prime is 101422621. The next prime is 101422637. The reversal of 101422631 is 136224101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101422631 - 2⁶ = 101422567 is a prime.

It is a super-2 number, since 2×101422631² = 20573100157924322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101422637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50711315 + 50711316.

It is an arithmetic number, because the mean of its divisors is an integer number (50711316).

Almost surely, 2^101422631 is an apocalyptic number.

101422631 is a deficient number, since it is larger than the sum of its proper divisors (1).

101422631 is an equidigital number, since it uses as much as digits as its factorization.

101422631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 101422631 is about 10070.8803488076. The cubic root of 101422631 is about 466.3496166768.

Adding to 101422631 its reverse (136224101), we get a palindrome (237646732).

The spelling of 101422631 in words is "one hundred one million, four hundred twenty-two thousand, six hundred thirty-one".