31523542052503 has 8 divisors (see below), whose sum is σ = 33183533013120. Its totient is φ = 29863636808760.

The previous prime is 31523542052501. The next prime is 31523542052549. The reversal of 31523542052503 is 30525024532513.

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 31523542052503 - 2¹ = 31523542052501 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 (31523542052501) 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, 20673643 + ... + 22146028.

It is an arithmetic number, because the mean of its divisors is an integer number (4147941626640).

Almost surely, 2^{31523542052503} is an apocalyptic number.

31523542052503 is a deficient number, since it is larger than the sum of its proper divisors (1659990960617).

31523542052503 is a wasteful number, since it uses less digits than its factorization.

31523542052503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42858437.

The product of its (nonzero) digits is 540000, while the sum is 40.

The spelling of 31523542052503 in words is "thirty-one trillion, five hundred twenty-three billion, five hundred forty-two million, fifty-two thousand, five hundred three".