42279963031 has 2 divisors, whose sum is σ = 42279963032. Its totient is φ = 42279963030.

The previous prime is 42279963023. The next prime is 42279963043. The reversal of 42279963031 is 13036997224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42279963031 - 2³ = 42279963023 is a prime.

It is a super-2 number, since 2×42279963031² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42279963001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21139981515 + 21139981516.

It is an arithmetic number, because the mean of its divisors is an integer number (21139981516).

Almost surely, 2^42279963031 is an apocalyptic number.

42279963031 is a deficient number, since it is larger than the sum of its proper divisors (1).

42279963031 is an equidigital number, since it uses as much as digits as its factorization.

42279963031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 46.

The spelling of 42279963031 in words is "forty-two billion, two hundred seventy-nine million, nine hundred sixty-three thousand, thirty-one".