42351431502 has 16 divisors (see below), whose sum is σ = 84854939472. Its totient is φ = 14091797760.

The previous prime is 42351431483. The next prime is 42351431503. The reversal of 42351431502 is 20513415324.

It is a self number, because there is not a number n which added to its sum of digits gives 42351431502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42351431503) 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, 6332899 + ... + 6339582.

It is an arithmetic number, because the mean of its divisors is an integer number (5303433717).

Almost surely, 2^42351431502 is an apocalyptic number.

42351431502 is an abundant number, since it is smaller than the sum of its proper divisors (42503507970).

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

42351431502 is a wasteful number, since it uses less digits than its factorization.

42351431502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12673043.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 42351431502 its reverse (20513415324), we get a palindrome (62864846826).

The spelling of 42351431502 in words is "forty-two billion, three hundred fifty-one million, four hundred thirty-one thousand, five hundred two".