20431323142034 has 32 divisors (see below), whose sum is σ = 35955679597056. Its totient is φ = 8525573406720.

The previous prime is 20431323142019. The next prime is 20431323142051. The reversal of 20431323142034 is 43024132313402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80315087 + ... + 80569074.

It is an arithmetic number, because the mean of its divisors is an integer number (1123614987408).

Almost surely, 2^{20431323142034} is an apocalyptic number.

20431323142034 is a deficient number, since it is larger than the sum of its proper divisors (15524356455022).

20431323142034 is a wasteful number, since it uses less digits than its factorization.

20431323142034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160884410.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 20431323142034 its reverse (43024132313402), we get a palindrome (63455455455436).

The spelling of 20431323142034 in words is "twenty trillion, four hundred thirty-one billion, three hundred twenty-three million, one hundred forty-two thousand, thirty-four".