105431194 has 16 divisors (see below), whose sum is σ = 172723680. Its totient is φ = 47867760.

The previous prime is 105431191. The next prime is 105431197. The reversal of 105431194 is 491134501.

It is an interprime number because it is at equal distance from previous prime (105431191) and next prime (105431197).

It is a super-2 number, since 2×105431194² = 22231473336531272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105431191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21277 + ... + 25759.

It is an arithmetic number, because the mean of its divisors is an integer number (10795230).

Almost surely, 2^105431194 is an apocalyptic number.

105431194 is a deficient number, since it is larger than the sum of its proper divisors (67292486).

105431194 is a wasteful number, since it uses less digits than its factorization.

105431194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5565.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 105431194 is about 10267.9693221201. The cubic root of 105431194 is about 472.4143069403.

Adding to 105431194 its reverse (491134501), we get a palindrome (596565695).

It can be divided in two parts, 105431 and 194, that added together give a square (105625 = 325²).

The spelling of 105431194 in words is "one hundred five million, four hundred thirty-one thousand, one hundred ninety-four".