109601631 has 24 divisors (see below), whose sum is σ = 160982640. Its totient is φ = 71846016.

The previous prime is 109601621. The next prime is 109601641. The reversal of 109601631 is 136106901.

It is an interprime number because it is at equal distance from previous prime (109601621) and next prime (109601641).

It is not a de Polignac number, because 109601631 - 2⁹ = 109601119 is a prime.

It is a super-2 number, since 2×109601631² = 24025035035720322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 109601595 and 109601604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109601621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 234460 + ... + 234926.

It is an arithmetic number, because the mean of its divisors is an integer number (6707610).

Almost surely, 2^109601631 is an apocalyptic number.

109601631 is a deficient number, since it is larger than the sum of its proper divisors (51381009).

109601631 is a wasteful number, since it uses less digits than its factorization.

109601631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855 (or 852 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 109601631 is about 10469.0797589855. The cubic root of 109601631 is about 478.5628760122.

The spelling of 109601631 in words is "one hundred nine million, six hundred one thousand, six hundred thirty-one".