31203123103002 has 8 divisors (see below), whose sum is σ = 62406246206016. Its totient is φ = 10401041034332.

The previous prime is 31203123102917. The next prime is 31203123103091. The reversal of 31203123103002 is 20030132130213.

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

31203123103002 is an admirable number.

It is a super-2 number, since 2×31203123103002² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31203123103002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2600260258578 + ... + 2600260258589.

It is an arithmetic number, because the mean of its divisors is an integer number (7800780775752).

Almost surely, 2^{31203123103002} is an apocalyptic number.

31203123103002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31203123103002 is a wasteful number, since it uses less digits than its factorization.

31203123103002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5200520517172.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 31203123103002 its reverse (20030132130213), we get a palindrome (51233255233215).

The spelling of 31203123103002 in words is "thirty-one trillion, two hundred three billion, one hundred twenty-three million, one hundred three thousand, two".