42154335031 has 2 divisors, whose sum is σ = 42154335032. Its totient is φ = 42154335030.

The previous prime is 42154335007. The next prime is 42154335049. The reversal of 42154335031 is 13053345124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42154335031 - 2²⁵ = 42120780599 is a prime.

It is a super-2 number, since 2×42154335031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42154334984 and 42154335002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42154335631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21077167515 + 21077167516.

It is an arithmetic number, because the mean of its divisors is an integer number (21077167516).

Almost surely, 2^42154335031 is an apocalyptic number.

42154335031 is a deficient number, since it is larger than the sum of its proper divisors (1).

42154335031 is an equidigital number, since it uses as much as digits as its factorization.

42154335031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 42154335031 in words is "forty-two billion, one hundred fifty-four million, three hundred thirty-five thousand, thirty-one".