103431304321323 has 32 divisors (see below), whose sum is σ = 159020830636800. Its totient is φ = 59139978163200.

The previous prime is 103431304321253. The next prime is 103431304321327. The reversal of 103431304321323 is 323123403134301.

It is a happy number.

It is not a de Polignac number, because 103431304321323 - 2⁸ = 103431304321067 is a prime.

It is a super-2 number, since 2×103431304321323² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (103431304321327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 342094138 + ... + 342396351.

It is an arithmetic number, because the mean of its divisors is an integer number (4969400957400).

Almost surely, 2^{103431304321323} is an apocalyptic number.

103431304321323 is a deficient number, since it is larger than the sum of its proper divisors (55589526315477).

103431304321323 is a wasteful number, since it uses less digits than its factorization.

103431304321323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684490763.

The product of its (nonzero) digits is 46656, while the sum is 33.

Adding to 103431304321323 its reverse (323123403134301), we get a palindrome (426554707455624).

The spelling of 103431304321323 in words is "one hundred three trillion, four hundred thirty-one billion, three hundred four million, three hundred twenty-one thousand, three hundred twenty-three".