42331434031 has 2 divisors, whose sum is σ = 42331434032. Its totient is φ = 42331434030.

The previous prime is 42331433983. The next prime is 42331434077. The reversal of 42331434031 is 13043413324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42331434031 - 2²³ = 42323045423 is a prime.

It is a super-2 number, since 2×42331434031² (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 (42331434331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21165717015 + 21165717016.

It is an arithmetic number, because the mean of its divisors is an integer number (21165717016).

Almost surely, 2^42331434031 is an apocalyptic number.

42331434031 is a deficient number, since it is larger than the sum of its proper divisors (1).

42331434031 is an equidigital number, since it uses as much as digits as its factorization.

42331434031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 42331434031 its reverse (13043413324), we get a palindrome (55374847355).

The spelling of 42331434031 in words is "forty-two billion, three hundred thirty-one million, four hundred thirty-four thousand, thirty-one".