1693431107 has 16 divisors (see below), whose sum is σ = 1800182400. Its totient is φ = 1588507200.

The previous prime is 1693431073. The next prime is 1693431119. The reversal of 1693431107 is 7011343961.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1693431107 - 2⁶ = 1693431043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1693431907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1610732 + ... + 1611782.

It is an arithmetic number, because the mean of its divisors is an integer number (112511400).

Almost surely, 2^1693431107 is an apocalyptic number.

1693431107 is a deficient number, since it is larger than the sum of its proper divisors (106751293).

1693431107 is a wasteful number, since it uses less digits than its factorization.

1693431107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 1693431107 is about 41151.3196264713. The cubic root of 1693431107 is about 1191.9439795734.

The spelling of 1693431107 in words is "one billion, six hundred ninety-three million, four hundred thirty-one thousand, one hundred seven".