31216675475055 has 48 divisors (see below), whose sum is σ = 60627381825024. Its totient is φ = 13650024548160.

The previous prime is 31216675475033. The next prime is 31216675475071. The reversal of 31216675475055 is 55057457661213.

It is a happy number.

It is not a de Polignac number, because 31216675475055 - 2⁶ = 31216675474991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31216675474986 and 31216675475004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 923280211 + ... + 923314020.

It is an arithmetic number, because the mean of its divisors is an integer number (1263070454688).

Almost surely, 2^{31216675475055} is an apocalyptic number.

31216675475055 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

31216675475055 is a deficient number, since it is larger than the sum of its proper divisors (29410706349969).

31216675475055 is a wasteful number, since it uses less digits than its factorization.

31216675475055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846594276 (or 1846594269 counting only the distinct ones).

The product of its (nonzero) digits is 26460000, while the sum is 57.

The spelling of 31216675475055 in words is "thirty-one trillion, two hundred sixteen billion, six hundred seventy-five million, four hundred seventy-five thousand, fifty-five".