142103140031 has 2 divisors, whose sum is σ = 142103140032. Its totient is φ = 142103140030.

The previous prime is 142103140019. The next prime is 142103140037. The reversal of 142103140031 is 130041301241.

It is a strong prime.

It is an emirp because it is prime and its reverse (130041301241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142103140031 is a prime.

It is a super-2 number, since 2×142103140031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142103139985 and 142103140012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142103140037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71051570015 + 71051570016.

It is an arithmetic number, because the mean of its divisors is an integer number (71051570016).

Almost surely, 2^142103140031 is an apocalyptic number.

142103140031 is a deficient number, since it is larger than the sum of its proper divisors (1).

142103140031 is an equidigital number, since it uses as much as digits as its factorization.

142103140031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 142103140031 its reverse (130041301241), we get a palindrome (272144441272).

The spelling of 142103140031 in words is "one hundred forty-two billion, one hundred three million, one hundred forty thousand, thirty-one".