31103113301 has 8 divisors (see below), whose sum is σ = 33507044760. Its totient is φ = 28700808192.

The previous prime is 31103113277. The next prime is 31103113319. The reversal of 31103113301 is 10331130113.

It can be written as a sum of positive squares in 4 ways, for example, as 158785201 + 30944328100 = 12601^2 + 175910^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31103113301 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 31103113301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31103113501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366716 + ... + 443493.

It is an arithmetic number, because the mean of its divisors is an integer number (4188380595).

Almost surely, 2^31103113301 is an apocalyptic number.

It is an amenable number.

31103113301 is a deficient number, since it is larger than the sum of its proper divisors (2403931459).

31103113301 is a wasteful number, since it uses less digits than its factorization.

31103113301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813175.

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

Adding to 31103113301 its reverse (10331130113), we get a palindrome (41434243414).

The spelling of 31103113301 in words is "thirty-one billion, one hundred three million, one hundred thirteen thousand, three hundred one".