103111505314531 has 4 divisors (see below), whose sum is σ = 117841720359472. Its totient is φ = 88381290269592.

The previous prime is 103111505314501. The next prime is 103111505314547. The reversal of 103111505314531 is 135413505111301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103111505314531 - 2¹¹ = 103111505312483 is a prime.

It is a super-2 number, since 2×103111505314531² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103111505314501) 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 3 ways as a sum of consecutive naturals, for example, 7365107522460 + ... + 7365107522473.

It is an arithmetic number, because the mean of its divisors is an integer number (29460430089868).

Almost surely, 2^{103111505314531} is an apocalyptic number.

103111505314531 is a deficient number, since it is larger than the sum of its proper divisors (14730215044941).

103111505314531 is an equidigital number, since it uses as much as digits as its factorization.

103111505314531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14730215044940.

The product of its (nonzero) digits is 13500, while the sum is 34.

The spelling of 103111505314531 in words is "one hundred three trillion, one hundred eleven billion, five hundred five million, three hundred fourteen thousand, five hundred thirty-one".