42291000131 has 2 divisors, whose sum is σ = 42291000132. Its totient is φ = 42291000130.

The previous prime is 42291000097. The next prime is 42291000173. The reversal of 42291000131 is 13100019224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42291000131 - 2⁶ = 42291000067 is a prime.

It is a super-2 number, since 2×42291000131² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42291000097 and 42291000106.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21145500065 + 21145500066.

It is an arithmetic number, because the mean of its divisors is an integer number (21145500066).

Almost surely, 2^42291000131 is an apocalyptic number.

42291000131 is a deficient number, since it is larger than the sum of its proper divisors (1).

42291000131 is an equidigital number, since it uses as much as digits as its factorization.

42291000131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 42291000131 its reverse (13100019224), we get a palindrome (55391019355).

The spelling of 42291000131 in words is "forty-two billion, two hundred ninety-one million, one hundred thirty-one", and thus it is an aban number.