111131402 has 8 divisors (see below), whose sum is σ = 170763012. Its totient is φ = 54210400.

The previous prime is 111131369. The next prime is 111131429. The reversal of 111131402 is 204131111.

It can be written as a sum of positive squares in 2 ways, for example, as 110901961 + 229441 = 10531^2 + 479^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677549 + ... + 677712.

Almost surely, 2^111131402 is an apocalyptic number.

111131402 is a deficient number, since it is larger than the sum of its proper divisors (59631610).

111131402 is a wasteful number, since it uses less digits than its factorization.

111131402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355304.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 111131402 is about 10541.8879713266. The cubic root of 111131402 is about 480.7791195137.

Adding to 111131402 its reverse (204131111), we get a palindrome (315262513).

The spelling of 111131402 in words is "one hundred eleven million, one hundred thirty-one thousand, four hundred two".