103111021331 has 12 divisors (see below), whose sum is σ = 104693908176. Its totient is φ = 101542476960.

The previous prime is 103111021303. The next prime is 103111021361. The reversal of 103111021331 is 133120111301.

It is not a de Polignac number, because 103111021331 - 2⁶ = 103111021267 is a prime.

It is a super-2 number, since 2×103111021331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103111021361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3359105 + ... + 3389661.

It is an arithmetic number, because the mean of its divisors is an integer number (8724492348).

Almost surely, 2^103111021331 is an apocalyptic number.

103111021331 is a deficient number, since it is larger than the sum of its proper divisors (1582886845).

103111021331 is an equidigital number, since it uses as much as digits as its factorization.

103111021331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31022 (or 30841 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 103111021331 its reverse (133120111301), we get a palindrome (236231132632).

The spelling of 103111021331 in words is "one hundred three billion, one hundred eleven million, twenty-one thousand, three hundred thirty-one".