42451301003231 has 2 divisors, whose sum is σ = 42451301003232. Its totient is φ = 42451301003230.

The previous prime is 42451301003087. The next prime is 42451301003269. The reversal of 42451301003231 is 13230010315424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42451301003231 - 2³⁸ = 42176423096287 is a prime.

It is a super-4 number, since 4×42451301003231⁴ (a number of 56 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 42451301003194 and 42451301003203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42451301000231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21225650501615 + 21225650501616.

It is an arithmetic number, because the mean of its divisors is an integer number (21225650501616).

Almost surely, 2^{42451301003231} is an apocalyptic number.

42451301003231 is a deficient number, since it is larger than the sum of its proper divisors (1).

42451301003231 is an equidigital number, since it uses as much as digits as its factorization.

42451301003231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 42451301003231 its reverse (13230010315424), we get a palindrome (55681311318655).

The spelling of 42451301003231 in words is "forty-two trillion, four hundred fifty-one billion, three hundred one million, three thousand, two hundred thirty-one".