42303430040031 has 12 divisors (see below), whose sum is σ = 61105936145800. Its totient is φ = 28201833627120.

The previous prime is 42303430039991. The next prime is 42303430040041. The reversal of 42303430040031 is 13004003430324.

It is not a de Polignac number, because 42303430040031 - 2¹⁰ = 42303430039007 is a prime.

It is a super-2 number, since 2×42303430040031² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42303430039977 and 42303430040004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42303430040041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37163680 + ... + 38285061.

Almost surely, 2^{42303430040031} is an apocalyptic number.

42303430040031 is a deficient number, since it is larger than the sum of its proper divisors (18802506105769).

42303430040031 is a wasteful number, since it uses less digits than its factorization.

42303430040031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75511046 (or 75511043 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 42303430040031 its reverse (13004003430324), we get a palindrome (55307433470355).

The spelling of 42303430040031 in words is "forty-two trillion, three hundred three billion, four hundred thirty million, forty thousand, thirty-one".