31434042300 has 72 divisors (see below), whose sum is σ = 91145999616. Its totient is φ = 8364269760.

The previous prime is 31434042259. The next prime is 31434042407. The reversal of 31434042300 is 324043413.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25747 + ... + 252053.

Almost surely, 2^31434042300 is an apocalyptic number.

31434042300 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31434042300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45572999808).

31434042300 is an abundant number, since it is smaller than the sum of its proper divisors (59711957316).

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

31434042300 is a wasteful number, since it uses less digits than its factorization.

31434042300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226787 (or 226780 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 31434042300 its reverse (324043413), we get a palindrome (31758085713).

The spelling of 31434042300 in words is "thirty-one billion, four hundred thirty-four million, forty-two thousand, three hundred".