109141631 has 4 divisors (see below), whose sum is σ = 111803664. Its totient is φ = 106479600.

The previous prime is 109141609. The next prime is 109141651. The reversal of 109141631 is 136141901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136141901 = 7 ⋅19448843.

It is a cyclic number.

It is not a de Polignac number, because 109141631 - 2¹⁰ = 109140607 is a prime.

It is a super-2 number, since 2×109141631² = 23823791234680322, 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 109141631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109141651) 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, 1330955 + ... + 1331036.

It is an arithmetic number, because the mean of its divisors is an integer number (27950916).

Almost surely, 2^109141631 is an apocalyptic number.

109141631 is a deficient number, since it is larger than the sum of its proper divisors (2662033).

109141631 is an equidigital number, since it uses as much as digits as its factorization.

109141631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2662032.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 109141631 is about 10447.0872017036. The cubic root of 109141631 is about 477.8924248619.

The spelling of 109141631 in words is "one hundred nine million, one hundred forty-one thousand, six hundred thirty-one".