42301031 has 2 divisors, whose sum is σ = 42301032. Its totient is φ = 42301030.

The previous prime is 42301013. The next prime is 42301037. The reversal of 42301031 is 13010324.

Together with previous prime (42301013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42301031 - 2¹⁴ = 42284647 is a prime.

It is a super-2 number, since 2×42301031² = 3578754447325922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42300997 and 42301015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42301037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21150515 + 21150516.

It is an arithmetic number, because the mean of its divisors is an integer number (21150516).

Almost surely, 2^42301031 is an apocalyptic number.

42301031 is a deficient number, since it is larger than the sum of its proper divisors (1).

42301031 is an equidigital number, since it uses as much as digits as its factorization.

42301031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 42301031 is about 6503.9242769270. The cubic root of 42301031 is about 348.4311579117.

Adding to 42301031 its reverse (13010324), we get a palindrome (55311355).

The spelling of 42301031 in words is "forty-two million, three hundred one thousand, thirty-one".