106342631 has 4 divisors (see below), whose sum is σ = 106620672. Its totient is φ = 106064592.

The previous prime is 106342609. The next prime is 106342637. The reversal of 106342631 is 136243601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136243601 = 13 ⋅10480277.

It is a cyclic number.

It is not a de Polignac number, because 106342631 - 2⁶ = 106342567 is a prime.

It is a super-3 number, since 3×106342631³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 106342631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106342637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138446 + ... + 139211.

It is an arithmetic number, because the mean of its divisors is an integer number (26655168).

Almost surely, 2^106342631 is an apocalyptic number.

106342631 is a deficient number, since it is larger than the sum of its proper divisors (278041).

106342631 is an equidigital number, since it uses as much as digits as its factorization.

106342631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278040.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 106342631 is about 10312.2563486368. The cubic root of 106342631 is about 473.7717200309.

The spelling of 106342631 in words is "one hundred six million, three hundred forty-two thousand, six hundred thirty-one".