31204323411400 has 96 divisors (see below), whose sum is σ = 76243675717440. Its totient is φ = 11861957640960.

The previous prime is 31204323411377. The next prime is 31204323411403. The reversal of 31204323411400 is 411432340213.

It is a happy number.

It is a super-2 number, since 2×31204323411400² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31204323411403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48714364 + ... + 49350763.

It is an arithmetic number, because the mean of its divisors is an integer number (794204955390).

Almost surely, 2^{31204323411400} is an apocalyptic number.

It is an amenable number.

31204323411400 is an abundant number, since it is smaller than the sum of its proper divisors (45039352306040).

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

31204323411400 is a wasteful number, since it uses less digits than its factorization.

31204323411400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98065223 (or 98065214 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 31204323411400 its reverse (411432340213), we get a palindrome (31615755751613).

The spelling of 31204323411400 in words is "thirty-one trillion, two hundred four billion, three hundred twenty-three million, four hundred eleven thousand, four hundred".