111431697 has 8 divisors (see below), whose sum is σ = 160004544. Its totient is φ = 68573328.

The previous prime is 111431687. The next prime is 111431737. The reversal of 111431697 is 796134111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111431697 - 2⁷ = 111431569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111431647) 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, 1428573 + ... + 1428650.

It is an arithmetic number, because the mean of its divisors is an integer number (20000568).

Almost surely, 2^111431697 is an apocalyptic number.

It is an amenable number.

111431697 is a deficient number, since it is larger than the sum of its proper divisors (48572847).

111431697 is a wasteful number, since it uses less digits than its factorization.

111431697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857239.

The product of its digits is 4536, while the sum is 33.

The square root of 111431697 is about 10556.1213047217. The cubic root of 111431697 is about 481.2117776581.

The spelling of 111431697 in words is "one hundred eleven million, four hundred thirty-one thousand, six hundred ninety-seven".