31103412727 has 8 divisors (see below), whose sum is σ = 31255187600. Its totient is φ = 30951777024.

The previous prime is 31103412719. The next prime is 31103412817. The reversal of 31103412727 is 72721430113.

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

It is a cyclic number.

It is not a de Polignac number, because 31103412727 - 2³ = 31103412719 is a prime.

It is a super-2 number, since 2×31103412727² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31103412707) 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 7 ways as a sum of consecutive naturals, for example, 428224 + ... + 495562.

It is an arithmetic number, because the mean of its divisors is an integer number (3906898450).

Almost surely, 2^31103412727 is an apocalyptic number.

31103412727 is a deficient number, since it is larger than the sum of its proper divisors (151774873).

31103412727 is a wasteful number, since it uses less digits than its factorization.

31103412727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69585.

The product of its (nonzero) digits is 7056, while the sum is 31.

It can be divided in two parts, 311034 and 12727, that added together give a square (323761 = 569²).

The spelling of 31103412727 in words is "thirty-one billion, one hundred three million, four hundred twelve thousand, seven hundred twenty-seven".