42431132406061 has 8 divisors (see below), whose sum is σ = 48492902969280. Its totient is φ = 36369406897728.

The previous prime is 42431132406049. The next prime is 42431132406073. The reversal of 42431132406061 is 16060423113424.

It is an interprime number because it is at equal distance from previous prime (42431132406049) and next prime (42431132406073).

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

It is a cyclic number.

It is not a de Polignac number, because 42431132406061 - 2¹⁵ = 42431132373293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42431132406061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42431132406461) 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, 9220951 + ... + 13034116.

It is an arithmetic number, because the mean of its divisors is an integer number (6061612871160).

Almost surely, 2^{42431132406061} is an apocalyptic number.

It is an amenable number.

42431132406061 is a deficient number, since it is larger than the sum of its proper divisors (6061770563219).

42431132406061 is a wasteful number, since it uses less digits than its factorization.

42431132406061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22527443.

The product of its (nonzero) digits is 82944, while the sum is 37.

Adding to 42431132406061 its reverse (16060423113424), we get a palindrome (58491555519485).

The spelling of 42431132406061 in words is "forty-two trillion, four hundred thirty-one billion, one hundred thirty-two million, four hundred six thousand, sixty-one".