31013030244401 has 4 divisors (see below), whose sum is σ = 31013058476400. Its totient is φ = 31013002012404.

The previous prime is 31013030244389. The next prime is 31013030244431. The reversal of 31013030244401 is 10444203031013.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31013030244401 is a prime.

It is a super-2 number, since 2×31013030244401² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31013030244431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12398591 + ... + 14688468.

It is an arithmetic number, because the mean of its divisors is an integer number (7753264619100).

Almost surely, 2^{31013030244401} is an apocalyptic number.

It is an amenable number.

31013030244401 is a deficient number, since it is larger than the sum of its proper divisors (28231999).

31013030244401 is a wasteful number, since it uses less digits than its factorization.

31013030244401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28231998.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 31013030244401 its reverse (10444203031013), we get a palindrome (41457233275414).

The spelling of 31013030244401 in words is "thirty-one trillion, thirteen billion, thirty million, two hundred forty-four thousand, four hundred one".