20242315420031 has 4 divisors (see below), whose sum is σ = 20242334517432. Its totient is φ = 20242296322632.

The previous prime is 20242315420021. The next prime is 20242315420073. The reversal of 20242315420031 is 13002451324202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20242315420031 - 2²⁶ = 20242248311167 is a prime.

It is a super-2 number, since 2×20242315420031² (a number of 27 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 = 20242315419976 and 20242315420003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20242315420021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7859120 + ... + 10111893.

It is an arithmetic number, because the mean of its divisors is an integer number (5060583629358).

Almost surely, 2^{20242315420031} is an apocalyptic number.

20242315420031 is a deficient number, since it is larger than the sum of its proper divisors (19097401).

20242315420031 is a wasteful number, since it uses less digits than its factorization.

20242315420031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19097400.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 20242315420031 its reverse (13002451324202), we get a palindrome (33244766744233).

The spelling of 20242315420031 in words is "twenty trillion, two hundred forty-two billion, three hundred fifteen million, four hundred twenty thousand, thirty-one".