140104243031 has 4 divisors (see below), whose sum is σ = 143890844232. Its totient is φ = 136317641832.

The previous prime is 140104242931. The next prime is 140104243061. The reversal of 140104243031 is 130342401041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130342401041 = 281 ⋅463851961.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140104243031 is a prime.

It is a super-2 number, since 2×140104243031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140104242988 and 140104243006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140104243061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1893300545 + ... + 1893300618.

It is an arithmetic number, because the mean of its divisors is an integer number (35972711058).

Almost surely, 2^140104243031 is an apocalyptic number.

140104243031 is a deficient number, since it is larger than the sum of its proper divisors (3786601201).

140104243031 is an equidigital number, since it uses as much as digits as its factorization.

140104243031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3786601200.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 140104243031 its reverse (130342401041), we get a palindrome (270446644072).

The spelling of 140104243031 in words is "one hundred forty billion, one hundred four million, two hundred forty-three thousand, thirty-one".