42131240030 has 32 divisors (see below), whose sum is σ = 82857269088. Its totient is φ = 15296963200.

The previous prime is 42131240023. The next prime is 42131240033. The reversal of 42131240030 is 3004213124.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42131239984 and 42131240011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42131240033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221441 + ... + 365100.

It is an arithmetic number, because the mean of its divisors is an integer number (2589289659).

Almost surely, 2^42131240030 is an apocalyptic number.

42131240030 is a deficient number, since it is larger than the sum of its proper divisors (40726029058).

42131240030 is a wasteful number, since it uses less digits than its factorization.

42131240030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587212.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 42131240030 its reverse (3004213124), we get a palindrome (45135453154).

The spelling of 42131240030 in words is "forty-two billion, one hundred thirty-one million, two hundred forty thousand, thirty".