106678931 has 4 divisors (see below), whose sum is σ = 106714152. Its totient is φ = 106643712.

The previous prime is 106678919. The next prime is 106678973. The reversal of 106678931 is 139876601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 139876601 = 6337 ⋅22073.

It is a cyclic number.

It is not a de Polignac number, because 106678931 - 2¹⁴ = 106662547 is a prime.

It is a super-2 number, since 2×106678931² = 22760788638605522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106675931) 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, 12590 + ... + 19283.

It is an arithmetic number, because the mean of its divisors is an integer number (26678538).

Almost surely, 2^106678931 is an apocalyptic number.

106678931 is a deficient number, since it is larger than the sum of its proper divisors (35221).

106678931 is an equidigital number, since it uses as much as digits as its factorization.

106678931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35220.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 106678931 is about 10328.5493173049. The cubic root of 106678931 is about 474.2706161209.

It can be divided in two parts, 1066 and 78931, that added together give a palindrome (79997).

The spelling of 106678931 in words is "one hundred six million, six hundred seventy-eight thousand, nine hundred thirty-one".