31212775211103 has 12 divisors (see below), whose sum is σ = 46303636499848. Its totient is φ = 20246124461040.

The previous prime is 31212775211087. The next prime is 31212775211117. The reversal of 31212775211103 is 30111257721213.

31212775211103 is a `hidden beast` number, since 3 + 1 + 2 + 1 + 27 + 7 + 521 + 1 + 103 = 666.

It is not a de Polignac number, because 31212775211103 - 2⁴ = 31212775211087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31212775211183) 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 11 ways as a sum of consecutive naturals, for example, 46866028513 + ... + 46866029178.

Almost surely, 2^{31212775211103} is an apocalyptic number.

31212775211103 is a deficient number, since it is larger than the sum of its proper divisors (15090861288745).

31212775211103 is a wasteful number, since it uses less digits than its factorization.

31212775211103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93732057734 (or 93732057731 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The spelling of 31212775211103 in words is "thirty-one trillion, two hundred twelve billion, seven hundred seventy-five million, two hundred eleven thousand, one hundred three".