103111031113 has 8 divisors (see below), whose sum is σ = 107610539400. Its totient is φ = 98674453248.

The previous prime is 103111031099. The next prime is 103111031117. The reversal of 103111031113 is 311130111301.

It can be written as a sum of positive squares in 4 ways, for example, as 1625460489 + 101485570624 = 40317^2 + 318568^2 .

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 103111031113 - 2¹³ = 103111022921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103111031117) 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, 15729258 + ... + 15735811.

It is an arithmetic number, because the mean of its divisors is an integer number (13451317425).

Almost surely, 2^103111031113 is an apocalyptic number.

It is an amenable number.

103111031113 is a deficient number, since it is larger than the sum of its proper divisors (4499508287).

103111031113 is a wasteful number, since it uses less digits than its factorization.

103111031113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31465211.

The product of its (nonzero) digits is 27, while the sum is 16.

Adding to 103111031113 its reverse (311130111301), we get a palindrome (414241142414).

The spelling of 103111031113 in words is "one hundred three billion, one hundred eleven million, thirty-one thousand, one hundred thirteen".