109701631 has 4 divisors (see below), whose sum is σ = 118140232. Its totient is φ = 101263032.

The previous prime is 109701589. The next prime is 109701637. The reversal of 109701631 is 136107901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136107901 = 6301 ⋅21601.

It is not a de Polignac number, because 109701631 - 2⁷ = 109701503 is a prime.

It is a super-2 number, since 2×109701631² = 24068895688120322, which contains 22 as substring.

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 109701631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109701637) 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, 4219281 + ... + 4219306.

It is an arithmetic number, because the mean of its divisors is an integer number (29535058).

Almost surely, 2^109701631 is an apocalyptic number.

109701631 is a deficient number, since it is larger than the sum of its proper divisors (8438601).

109701631 is an equidigital number, since it uses as much as digits as its factorization.

109701631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8438600.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 109701631 is about 10473.8546390524. The cubic root of 109701631 is about 478.7083779234.

The spelling of 109701631 in words is "one hundred nine million, seven hundred one thousand, six hundred thirty-one".