140111331 has 16 divisors (see below), whose sum is σ = 206406144. Its totient is φ = 84089984.

The previous prime is 140111311. The next prime is 140111347. The reversal of 140111331 is 133111041.

It is a cyclic number.

It is not a de Polignac number, because 140111331 - 2⁷ = 140111203 is a prime.

It is a super-2 number, since 2×140111331² = 39262370149183122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140111331.

It is not an unprimeable number, because it can be changed into a prime (140111311) 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, 58551 + ... + 60896.

It is an arithmetic number, because the mean of its divisors is an integer number (12900384).

Almost surely, 2^140111331 is an apocalyptic number.

140111331 is a deficient number, since it is larger than the sum of its proper divisors (66294813).

140111331 is a wasteful number, since it uses less digits than its factorization.

140111331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119490.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 140111331 is about 11836.8632246892. The cubic root of 140111331 is about 519.3870131359.

Adding to 140111331 its reverse (133111041), we get a palindrome (273222372).

The spelling of 140111331 in words is "one hundred forty million, one hundred eleven thousand, three hundred thirty-one".