103121311302311 has 4 divisors (see below), whose sum is σ = 103137507525312. Its totient is φ = 103105115079312.

The previous prime is 103121311302293. The next prime is 103121311302329. The reversal of 103121311302311 is 113203113121301.

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

It is an interprime number because it is at equal distance from previous prime (103121311302293) and next prime (103121311302329).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103121311302311 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 (103121311302011) 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, 8098101950 + ... + 8098114683.

It is an arithmetic number, because the mean of its divisors is an integer number (25784376881328).

Almost surely, 2^{103121311302311} is an apocalyptic number.

103121311302311 is a deficient number, since it is larger than the sum of its proper divisors (16196223001).

103121311302311 is an equidigital number, since it uses as much as digits as its factorization.

103121311302311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16196223000.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 103121311302311 its reverse (113203113121301), we get a palindrome (216324424423612).

The spelling of 103121311302311 in words is "one hundred three trillion, one hundred twenty-one billion, three hundred eleven million, three hundred two thousand, three hundred eleven".