103021231311 has 48 divisors (see below), whose sum is σ = 161153865600. Its totient is φ = 63197371584.

The previous prime is 103021231309. The next prime is 103021231321. The reversal of 103021231311 is 113132120301.

103021231311 is a `hidden beast` number, since 10 + 302 + 12 + 31 + 311 = 666.

It is not a de Polignac number, because 103021231311 - 2¹ = 103021231309 is a prime.

It is a super-2 number, since 2×103021231311² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103021231321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3700080 + ... + 3727818.

It is an arithmetic number, because the mean of its divisors is an integer number (3357372200).

Almost surely, 2^103021231311 is an apocalyptic number.

103021231311 is a deficient number, since it is larger than the sum of its proper divisors (58132634289).

103021231311 is a wasteful number, since it uses less digits than its factorization.

103021231311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28388 (or 28385 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 103021231311 its reverse (113132120301), we get a palindrome (216153351612).

The spelling of 103021231311 in words is "one hundred three billion, twenty-one million, two hundred thirty-one thousand, three hundred eleven".