42503000131 has 2 divisors, whose sum is σ = 42503000132. Its totient is φ = 42503000130.

The previous prime is 42503000107. The next prime is 42503000153. The reversal of 42503000131 is 13100030524.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42503000131 is a prime.

It is a super-2 number, since 2×42503000131² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42503000099 and 42503000108.

It is not a weakly prime, because it can be changed into another prime (42503000231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21251500065 + 21251500066.

It is an arithmetic number, because the mean of its divisors is an integer number (21251500066).

Almost surely, 2^42503000131 is an apocalyptic number.

42503000131 is a deficient number, since it is larger than the sum of its proper divisors (1).

42503000131 is an equidigital number, since it uses as much as digits as its factorization.

42503000131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 42503000131 its reverse (13100030524), we get a palindrome (55603030655).

The spelling of 42503000131 in words is "forty-two billion, five hundred three million, one hundred thirty-one", and thus it is an aban number.