20142345031 has 2 divisors, whose sum is σ = 20142345032. Its totient is φ = 20142345030.

The previous prime is 20142345017. The next prime is 20142345049. The reversal of 20142345031 is 13054324102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20142345031 - 2³¹ = 17994861383 is a prime.

It is a super-2 number, since 2×20142345031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20142344987 and 20142345005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20142345001) 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 as a sum of consecutive naturals, namely, 10071172515 + 10071172516.

It is an arithmetic number, because the mean of its divisors is an integer number (10071172516).

Almost surely, 2^20142345031 is an apocalyptic number.

20142345031 is a deficient number, since it is larger than the sum of its proper divisors (1).

20142345031 is an equidigital number, since it uses as much as digits as its factorization.

20142345031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 20142345031 its reverse (13054324102), we get a palindrome (33196669133).

The spelling of 20142345031 in words is "twenty billion, one hundred forty-two million, three hundred forty-five thousand, thirty-one".