42031430415 has 64 divisors (see below), whose sum is σ = 81104486400. Its totient is φ = 20529355392.

The previous prime is 42031430381. The next prime is 42031430443. The reversal of 42031430415 is 51403413024.

It is a happy number.

42031430415 is a `hidden beast` number, since 4 + 203 + 1 + 43 + 0 + 415 = 666.

42031430415 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42031430415 - 2⁶ = 42031430351 is a prime.

It is a super-2 number, since 2×42031430415² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 128596 + ... + 317174.

It is an arithmetic number, because the mean of its divisors is an integer number (1267257600).

Almost surely, 2^42031430415 is an apocalyptic number.

42031430415 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42031430415 is a deficient number, since it is larger than the sum of its proper divisors (39073055985).

42031430415 is a wasteful number, since it uses less digits than its factorization.

42031430415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188733 (or 188727 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 42031430415 its reverse (51403413024), we get a palindrome (93434843439).

The spelling of 42031430415 in words is "forty-two billion, thirty-one million, four hundred thirty thousand, four hundred fifteen".