42512455031 has 2 divisors, whose sum is σ = 42512455032. Its totient is φ = 42512455030.

The previous prime is 42512455019. The next prime is 42512455043. The reversal of 42512455031 is 13055421524.

It is a balanced prime because it is at equal distance from previous prime (42512455019) and next prime (42512455043).

It is a cyclic number.

It is not a de Polignac number, because 42512455031 - 2¹⁰ = 42512454007 is a prime.

It is a super-2 number, since 2×42512455031² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42512455001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21256227515 + 21256227516.

It is an arithmetic number, because the mean of its divisors is an integer number (21256227516).

Almost surely, 2^42512455031 is an apocalyptic number.

42512455031 is a deficient number, since it is larger than the sum of its proper divisors (1).

42512455031 is an equidigital number, since it uses as much as digits as its factorization.

42512455031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 42512455031 its reverse (13055421524), we get a palindrome (55567876555).

The spelling of 42512455031 in words is "forty-two billion, five hundred twelve million, four hundred fifty-five thousand, thirty-one".