31311103301 has 4 divisors (see below), whose sum is σ = 31484093004. Its totient is φ = 31138113600.

The previous prime is 31311103283. The next prime is 31311103339. The reversal of 31311103301 is 10330111313.

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 1958505025 + 29352598276 = 44255^2 + 171326^2 .

It is a cyclic number.

It is not a de Polignac number, because 31311103301 - 2⁶ = 31311103237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31311103301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31311103381) 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, 86494580 + ... + 86494941.

It is an arithmetic number, because the mean of its divisors is an integer number (7871023251).

Almost surely, 2^31311103301 is an apocalyptic number.

It is an amenable number.

31311103301 is a deficient number, since it is larger than the sum of its proper divisors (172989703).

31311103301 is a wasteful number, since it uses less digits than its factorization.

31311103301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172989702.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 31311103301 its reverse (10330111313), we get a palindrome (41641214614).

The spelling of 31311103301 in words is "thirty-one billion, three hundred eleven million, one hundred three thousand, three hundred one".