83931515215103 has 8 divisors (see below), whose sum is σ = 84387340477440. Its totient is φ = 83475860716120.

The previous prime is 83931515215063. The next prime is 83931515215109. The reversal of 83931515215103 is 30151251513938.

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 83931515215103 - 2¹⁴ = 83931515198719 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 (83931515215109) 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, 41705093 + ... + 43671246.

It is an arithmetic number, because the mean of its divisors is an integer number (10548417559680).

Almost surely, 2^{83931515215103} is an apocalyptic number.

83931515215103 is a deficient number, since it is larger than the sum of its proper divisors (455825262337).

83931515215103 is a wasteful number, since it uses less digits than its factorization.

83931515215103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85381677.

The product of its (nonzero) digits is 486000, while the sum is 47.

The spelling of 83931515215103 in words is "eighty-three trillion, nine hundred thirty-one billion, five hundred fifteen million, two hundred fifteen thousand, one hundred three".