140011031 has 8 divisors (see below), whose sum is σ = 148692960. Its totient is φ = 131378688.

The previous prime is 140011013. The next prime is 140011033. The reversal of 140011031 is 130110041.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140011031 is a prime.

It is a super-2 number, since 2×140011031² = 39206177603365922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140011033) 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, 6491 + ... + 17948.

It is an arithmetic number, because the mean of its divisors is an integer number (18586620).

Almost surely, 2^140011031 is an apocalyptic number.

140011031 is a deficient number, since it is larger than the sum of its proper divisors (8681929).

140011031 is a wasteful number, since it uses less digits than its factorization.

140011031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24793.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 140011031 is about 11832.6257018466. The cubic root of 140011031 is about 519.2630475418.

Adding to 140011031 its reverse (130110041), we get a palindrome (270121072).

The spelling of 140011031 in words is "one hundred forty million, eleven thousand, thirty-one".