103312120230031 has 12 divisors (see below), whose sum is σ = 109748175467832. Its totient is φ = 97233704882048.

The previous prime is 103312120230019. The next prime is 103312120230041. The reversal of 103312120230031 is 130032021213301.

It is not a de Polignac number, because 103312120230031 - 2⁵ = 103312120229999 is a prime.

It is a super-2 number, since 2×103312120230031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103312120229984 and 103312120230011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103312120230041) 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, 21000741 + ... + 25449073.

It is an arithmetic number, because the mean of its divisors is an integer number (9145681288986).

Almost surely, 2^{103312120230031} is an apocalyptic number.

103312120230031 is a deficient number, since it is larger than the sum of its proper divisors (6436055237801).

103312120230031 is an equidigital number, since it uses as much as digits as its factorization.

103312120230031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4528730 (or 4528713 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 103312120230031 its reverse (130032021213301), we get a palindrome (233344141443332).

The spelling of 103312120230031 in words is "one hundred three trillion, three hundred twelve billion, one hundred twenty million, two hundred thirty thousand, thirty-one".