42242045453131 has 2 divisors, whose sum is σ = 42242045453132. Its totient is φ = 42242045453130.

The previous prime is 42242045453119. The next prime is 42242045453149. The reversal of 42242045453131 is 13135454024224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42242045453131 - 2³⁹ = 41692289639243 is a prime.

It is a super-2 number, since 2×42242045453131² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42242045450131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21121022726565 + 21121022726566.

It is an arithmetic number, because the mean of its divisors is an integer number (21121022726566).

Almost surely, 2^{42242045453131} is an apocalyptic number.

42242045453131 is a deficient number, since it is larger than the sum of its proper divisors (1).

42242045453131 is an equidigital number, since it uses as much as digits as its factorization.

42242045453131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 42242045453131 its reverse (13135454024224), we get a palindrome (55377499477355).

The spelling of 42242045453131 in words is "forty-two trillion, two hundred forty-two billion, forty-five million, four hundred fifty-three thousand, one hundred thirty-one".