231420313103 has 32 divisors (see below), whose sum is σ = 271131494400. Its totient is φ = 193405538304.

The previous prime is 231420313099. The next prime is 231420313123. The reversal of 231420313103 is 301313024132.

It is a cyclic number.

It is not a de Polignac number, because 231420313103 - 2² = 231420313099 is a prime.

It is a super-2 number, since 2×231420313103² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231420313123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164243663 + ... + 164245071.

It is an arithmetic number, because the mean of its divisors is an integer number (8472859200).

Almost surely, 2^231420313103 is an apocalyptic number.

231420313103 is a deficient number, since it is larger than the sum of its proper divisors (39711181297).

231420313103 is a wasteful number, since it uses less digits than its factorization.

231420313103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2999.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 231420313103 its reverse (301313024132), we get a palindrome (532733337235).

The spelling of 231420313103 in words is "two hundred thirty-one billion, four hundred twenty million, three hundred thirteen thousand, one hundred three".