42631151 has 2 divisors, whose sum is σ = 42631152. Its totient is φ = 42631150.

The previous prime is 42631129. The next prime is 42631153. The reversal of 42631151 is 15113624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42631151 - 2¹⁰ = 42630127 is a prime.

Together with 42631153, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42631153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21315575 + 21315576.

It is an arithmetic number, because the mean of its divisors is an integer number (21315576).

Almost surely, 2^42631151 is an apocalyptic number.

42631151 is a deficient number, since it is larger than the sum of its proper divisors (1).

42631151 is an equidigital number, since it uses as much as digits as its factorization.

42631151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 23.

The square root of 42631151 is about 6529.2534795335. The cubic root of 42631151 is about 349.3352033783.

Adding to 42631151 its reverse (15113624), we get a palindrome (57744775).

The spelling of 42631151 in words is "forty-two million, six hundred thirty-one thousand, one hundred fifty-one".