106961231 has 4 divisors (see below), whose sum is σ = 115189032. Its totient is φ = 98733432.

The previous prime is 106961227. The next prime is 106961249. The reversal of 106961231 is 132169601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 106961231 - 2² = 106961227 is a prime.

It is a super-2 number, since 2×106961231² = 22881409874070722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 106961194 and 106961203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106961531) 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, 4113881 + ... + 4113906.

It is an arithmetic number, because the mean of its divisors is an integer number (28797258).

Almost surely, 2^106961231 is an apocalyptic number.

106961231 is a deficient number, since it is larger than the sum of its proper divisors (8227801).

106961231 is an equidigital number, since it uses as much as digits as its factorization.

106961231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8227800.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 106961231 is about 10342.2062926631. The cubic root of 106961231 is about 474.6885951523.

The spelling of 106961231 in words is "one hundred six million, nine hundred sixty-one thousand, two hundred thirty-one".