103120112311 has 4 divisors (see below), whose sum is σ = 104141103624. Its totient is φ = 102099121000.

The previous prime is 103120112299. The next prime is 103120112353. The reversal of 103120112311 is 113211021301.

It is a happy number.

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 103120112311 - 2²⁹ = 102583241399 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 (103120113311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510495505 + ... + 510495706.

It is an arithmetic number, because the mean of its divisors is an integer number (26035275906).

Almost surely, 2^103120112311 is an apocalyptic number.

103120112311 is a deficient number, since it is larger than the sum of its proper divisors (1020991313).

103120112311 is a wasteful number, since it uses less digits than its factorization.

103120112311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020991312.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 103120112311 its reverse (113211021301), we get a palindrome (216331133612).

The spelling of 103120112311 in words is "one hundred three billion, one hundred twenty million, one hundred twelve thousand, three hundred eleven".