108862631 has 4 divisors (see below), whose sum is σ = 109464264. Its totient is φ = 108261000.

The previous prime is 108862603. The next prime is 108862639. The reversal of 108862631 is 136268801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136268801 = 97 ⋅1404833.

It is a cyclic number.

It is not a de Polignac number, because 108862631 - 2¹⁰ = 108861607 is a prime.

It is a super-2 number, since 2×108862631² = 23702144856484322, 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 = 108862591 and 108862600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108862639) 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, 300545 + ... + 300906.

It is an arithmetic number, because the mean of its divisors is an integer number (27366066).

Almost surely, 2^108862631 is an apocalyptic number.

108862631 is a deficient number, since it is larger than the sum of its proper divisors (601633).

108862631 is an equidigital number, since it uses as much as digits as its factorization.

108862631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601632.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 108862631 is about 10433.7256529008. The cubic root of 108862631 is about 477.4848634219.

The spelling of 108862631 in words is "one hundred eight million, eight hundred sixty-two thousand, six hundred thirty-one".