31400332453400 has 96 divisors (see below), whose sum is σ = 78806831709600. Its totient is φ = 11599762944000.

The previous prime is 31400332453397. The next prime is 31400332453409. The reversal of 31400332453400 is 435423300413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31400332453409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117559001 + ... + 117825800.

It is an arithmetic number, because the mean of its divisors is an integer number (820904496975).

Almost surely, 2^{31400332453400} is an apocalyptic number.

It is an amenable number.

31400332453400 is an abundant number, since it is smaller than the sum of its proper divisors (47406499256200).

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

31400332453400 is a wasteful number, since it uses less digits than its factorization.

31400332453400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235384869 (or 235384860 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 31400332453400 its reverse (435423300413), we get a palindrome (31835755753813).

The spelling of 31400332453400 in words is "thirty-one trillion, four hundred billion, three hundred thirty-two million, four hundred fifty-three thousand, four hundred".