31403214401140 has 12 divisors (see below), whose sum is σ = 65946750242436. Its totient is φ = 12561285760448.

The previous prime is 31403214401113. The next prime is 31403214401149. The reversal of 31403214401140 is 4110441230413.

It can be written as a sum of positive squares in 2 ways, for example, as 21799822464784 + 9603391936356 = 4669028^2 + 3098934^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31403214401099 and 31403214401108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31403214401149) 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 3 ways as a sum of consecutive naturals, for example, 785080360009 + ... + 785080360048.

It is an arithmetic number, because the mean of its divisors is an integer number (5495562520203).

Almost surely, 2^{31403214401140} is an apocalyptic number.

It is an amenable number.

31403214401140 is an abundant number, since it is smaller than the sum of its proper divisors (34543535841296).

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

31403214401140 is a wasteful number, since it uses less digits than its factorization.

31403214401140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570160720066 (or 1570160720064 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 31403214401140 its reverse (4110441230413), we get a palindrome (35513655631553).

The spelling of 31403214401140 in words is "thirty-one trillion, four hundred three billion, two hundred fourteen million, four hundred one thousand, one hundred forty".