431141103520142 has 4 divisors (see below), whose sum is σ = 646711655280216. Its totient is φ = 215570551760070.

The previous prime is 431141103520139. The next prime is 431141103520159. The reversal of 431141103520142 is 241025301141134.

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

It is a super-2 number, since 2×431141103520142² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 431141103520099 and 431141103520108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107785275880034 + ... + 107785275880037.

It is an arithmetic number, because the mean of its divisors is an integer number (161677913820054).

Almost surely, 2^{431141103520142} is an apocalyptic number.

431141103520142 is a deficient number, since it is larger than the sum of its proper divisors (215570551760074).

431141103520142 is a wasteful number, since it uses less digits than its factorization.

431141103520142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215570551760073.

The product of its (nonzero) digits is 11520, while the sum is 32.

Adding to 431141103520142 its reverse (241025301141134), we get a palindrome (672166404661276).

The spelling of 431141103520142 in words is "four hundred thirty-one trillion, one hundred forty-one billion, one hundred three million, five hundred twenty thousand, one hundred forty-two".