140040031031 has 8 divisors (see below), whose sum is σ = 147470849280. Its totient is φ = 132615241848.

The previous prime is 140040031007. The next prime is 140040031097. The reversal of 140040031031 is 130130040041.

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

It is a cyclic number.

It is not a de Polignac number, because 140040031031 - 2²² = 140035836727 is a prime.

It is a super-2 number, since 2×140040031031² (a number of 23 digits) 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 (140040031231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1459541 + ... + 1552526.

It is an arithmetic number, because the mean of its divisors is an integer number (18433856160).

Almost surely, 2^140040031031 is an apocalyptic number.

140040031031 is a deficient number, since it is larger than the sum of its proper divisors (7430818249).

140040031031 is a wasteful number, since it uses less digits than its factorization.

140040031031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3014533.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 140040031031 its reverse (130130040041), we get a palindrome (270170071072).

The spelling of 140040031031 in words is "one hundred forty billion, forty million, thirty-one thousand, thirty-one".