31434203442 has 32 divisors (see below), whose sum is σ = 64762772544. Its totient is φ = 10164052800.

The previous prime is 31434203417. The next prime is 31434203473. The reversal of 31434203442 is 24430243413.

It is a happy number.

It is a super-4 number, since 4×31434203442⁴ (a number of 43 digits) contains 4444 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 140409 + ... + 287372.

It is an arithmetic number, because the mean of its divisors is an integer number (2023836642).

Almost surely, 2^31434203442 is an apocalyptic number.

31434203442 is an abundant number, since it is smaller than the sum of its proper divisors (33328569102).

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

31434203442 is a wasteful number, since it uses less digits than its factorization.

31434203442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428154.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 31434203442 its reverse (24430243413), we get a palindrome (55864446855).

The spelling of 31434203442 in words is "thirty-one billion, four hundred thirty-four million, two hundred three thousand, four hundred forty-two".