30431042342 has 16 divisors (see below), whose sum is σ = 47098376640. Its totient is φ = 14738258688.

The previous prime is 30431042309. The next prime is 30431042347. The reversal of 30431042342 is 24324013403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30431042347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1659617 + ... + 1677852.

It is an arithmetic number, because the mean of its divisors is an integer number (2943648540).

Almost surely, 2^30431042342 is an apocalyptic number.

30431042342 is a deficient number, since it is larger than the sum of its proper divisors (16667334298).

30431042342 is a wasteful number, since it uses less digits than its factorization.

30431042342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3337615.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 30431042342 its reverse (24324013403), we get a palindrome (54755055745).

The spelling of 30431042342 in words is "thirty billion, four hundred thirty-one million, forty-two thousand, three hundred forty-two".