140220321121431 has 12 divisors (see below), whose sum is σ = 205104267182880. Its totient is φ = 92296920231360.

The previous prime is 140220321121373. The next prime is 140220321121487. The reversal of 140220321121431 is 134121123022041.

140220321121431 is a `hidden beast` number, since 1 + 4 + 0 + 2 + 203 + 2 + 1 + 1 + 21 + 431 = 666.

It is not a de Polignac number, because 140220321121431 - 2³⁴ = 140203141252247 is a prime.

It is a super-2 number, since 2×140220321121431² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140220321121395 and 140220321121404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140220321131431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98607820050 + ... + 98607821471.

It is an arithmetic number, because the mean of its divisors is an integer number (17092022265240).

Almost surely, 2^{140220321121431} is an apocalyptic number.

140220321121431 is a deficient number, since it is larger than the sum of its proper divisors (64883946061449).

140220321121431 is a wasteful number, since it uses less digits than its factorization.

140220321121431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197215641606 (or 197215641603 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 140220321121431 its reverse (134121123022041), we get a palindrome (274341444143472).

The spelling of 140220321121431 in words is "one hundred forty trillion, two hundred twenty billion, three hundred twenty-one million, one hundred twenty-one thousand, four hundred thirty-one".