103212312031 has 8 divisors (see below), whose sum is σ = 108886518000. Its totient is φ = 97562304000.

The previous prime is 103212312019. The next prime is 103212312037. The reversal of 103212312031 is 130213212301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103212312031 - 2⁵ = 103212311999 is a prime.

It is a super-2 number, since 2×103212312031² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103212312037) 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 7 ways as a sum of consecutive naturals, for example, 6040720 + ... + 6057781.

It is an arithmetic number, because the mean of its divisors is an integer number (13610814750).

Almost surely, 2^103212312031 is an apocalyptic number.

103212312031 is a deficient number, since it is larger than the sum of its proper divisors (5674205969).

103212312031 is a wasteful number, since it uses less digits than its factorization.

103212312031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12098969.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 103212312031 its reverse (130213212301), we get a palindrome (233425524332).

The spelling of 103212312031 in words is "one hundred three billion, two hundred twelve million, three hundred twelve thousand, thirty-one".