140032430031321 has 6 divisors (see below), whose sum is σ = 202269065600810. Its totient is φ = 93354953354208.

The previous prime is 140032430031317. The next prime is 140032430031349. The reversal of 140032430031321 is 123130034230041.

It is a happy number.

140032430031321 is a `hidden beast` number, since 1 + 4 + 0 + 0 + 3 + 2 + 4 + 300 + 31 + 321 = 666.

It can be written as a sum of positive squares in only one way, i.e., 72709814270025 + 67322615761296 = 8527005^2 + 8205036^2 .

It is not a de Polignac number, because 140032430031321 - 2² = 140032430031317 is a prime.

It is a super-2 number, since 2×140032430031321² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140032430031371) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7779579446176 + ... + 7779579446193.

Almost surely, 2^{140032430031321} is an apocalyptic number.

It is an amenable number.

140032430031321 is a deficient number, since it is larger than the sum of its proper divisors (62236635569489).

140032430031321 is a wasteful number, since it uses less digits than its factorization.

140032430031321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15559158892375 (or 15559158892372 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 140032430031321 its reverse (123130034230041), we get a palindrome (263162464261362).

The spelling of 140032430031321 in words is "one hundred forty trillion, thirty-two billion, four hundred thirty million, thirty-one thousand, three hundred twenty-one".