42040031431002 has 16 divisors (see below), whose sum is σ = 91723704940512. Its totient is φ = 12739403463920.

The previous prime is 42040031430961. The next prime is 42040031431051. The reversal of 42040031431002 is 20013413004024.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318485086533 + ... + 318485086664.

It is an arithmetic number, because the mean of its divisors is an integer number (5732731558782).

Almost surely, 2^{42040031431002} is an apocalyptic number.

42040031431002 is an abundant number, since it is smaller than the sum of its proper divisors (49683673509510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42040031431002 is a wasteful number, since it uses less digits than its factorization.

42040031431002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636970173213.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 42040031431002 its reverse (20013413004024), we get a palindrome (62053444435026).

The spelling of 42040031431002 in words is "forty-two trillion, forty billion, thirty-one million, four hundred thirty-one thousand, two".