31313414401 has 4 divisors (see below), whose sum is σ = 33155379972. Its totient is φ = 29471448832.

The previous prime is 31313414393. The next prime is 31313414437. The reversal of 31313414401 is 10441431313.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24775074801 + 6538339600 = 157401^2 + 80860^2 .

It is a cyclic number.

It is not a de Polignac number, because 31313414401 - 2³ = 31313414393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31313414491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 920982760 + ... + 920982793.

It is an arithmetic number, because the mean of its divisors is an integer number (8288844993).

Almost surely, 2^31313414401 is an apocalyptic number.

It is an amenable number.

31313414401 is a deficient number, since it is larger than the sum of its proper divisors (1841965571).

31313414401 is a wasteful number, since it uses less digits than its factorization.

31313414401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841965570.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 31313414401 its reverse (10441431313), we get a palindrome (41754845714).

The spelling of 31313414401 in words is "thirty-one billion, three hundred thirteen million, four hundred fourteen thousand, four hundred one".