140403242331 has 24 divisors (see below), whose sum is σ = 230860670976. Its totient is φ = 81393182640.

The previous prime is 140403242293. The next prime is 140403242339. The reversal of 140403242331 is 133242304041.

140403242331 is a `hidden beast` number, since 1 + 4 + 0 + 4 + 0 + 324 + 2 + 331 = 666.

It is not a de Polignac number, because 140403242331 - 2¹⁷ = 140403111259 is a prime.

It is a super-3 number, since 3×140403242331³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 140403242295 and 140403242304.

It is not an unprimeable number, because it can be changed into a prime (140403242339) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30828475 + ... + 30833028.

It is an arithmetic number, because the mean of its divisors is an integer number (9619194624).

Almost surely, 2^140403242331 is an apocalyptic number.

140403242331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

140403242331 is a deficient number, since it is larger than the sum of its proper divisors (90457428645).

140403242331 is a wasteful number, since it uses less digits than its factorization.

140403242331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61661543 (or 61661540 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 140403242331 its reverse (133242304041), we get a palindrome (273645546372).

The spelling of 140403242331 in words is "one hundred forty billion, four hundred three million, two hundred forty-two thousand, three hundred thirty-one".