42043263402931 has 8 divisors (see below), whose sum is σ = 48100182485760. Its totient is φ = 35999028969288.

The previous prime is 42043263402929. The next prime is 42043263402949. The reversal of 42043263402931 is 13920436234024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42043263402931 - 2¹ = 42043263402929 is a prime.

It is a super-2 number, since 2×42043263402931² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42043263402731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3171155191 + ... + 3171168448.

It is an arithmetic number, because the mean of its divisors is an integer number (6012522810720).

Almost surely, 2^{42043263402931} is an apocalyptic number.

42043263402931 is a deficient number, since it is larger than the sum of its proper divisors (6056919082829).

42043263402931 is an equidigital number, since it uses as much as digits as its factorization.

42043263402931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6342324593.

The product of its (nonzero) digits is 746496, while the sum is 43.

Adding to 42043263402931 its reverse (13920436234024), we get a palindrome (55963699636955).

The spelling of 42043263402931 in words is "forty-two trillion, forty-three billion, two hundred sixty-three million, four hundred two thousand, nine hundred thirty-one".