31453234100 has 18 divisors (see below), whose sum is σ = 68253518214. Its totient is φ = 12581293600.

The previous prime is 31453234081. The next prime is 31453234151. The reversal of 31453234100 is 143235413.

It can be written as a sum of positive squares in 3 ways, for example, as 11244905764 + 20208328336 = 106042^2 + 142156^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31453234100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 157266071 + ... + 157266270.

It is an arithmetic number, because the mean of its divisors is an integer number (3791862123).

Almost surely, 2^31453234100 is an apocalyptic number.

It is an amenable number.

31453234100 is an abundant number, since it is smaller than the sum of its proper divisors (36800284114).

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

31453234100 is a wasteful number, since it uses less digits than its factorization.

31453234100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314532355 (or 314532348 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 31453234100 its reverse (143235413), we get a palindrome (31596469513).

The spelling of 31453234100 in words is "thirty-one billion, four hundred fifty-three million, two hundred thirty-four thousand, one hundred".