140215233031 has 8 divisors (see below), whose sum is σ = 143021942784. Its totient is φ = 137435127480.

The previous prime is 140215233001. The next prime is 140215233043. The reversal of 140215233031 is 130332512041.

It is a happy number.

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 140215233031 - 2⁷ = 140215232903 is a prime.

It is a super-2 number, since 2×140215233031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140215232987 and 140215233005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140215233001) 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, 6640405 + ... + 6661486.

It is an arithmetic number, because the mean of its divisors is an integer number (17877742848).

Almost surely, 2^140215233031 is an apocalyptic number.

140215233031 is a deficient number, since it is larger than the sum of its proper divisors (2806709753).

140215233031 is a wasteful number, since it uses less digits than its factorization.

140215233031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13302101.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 140215233031 its reverse (130332512041), we get a palindrome (270547745072).

The spelling of 140215233031 in words is "one hundred forty billion, two hundred fifteen million, two hundred thirty-three thousand, thirty-one".