31103203302102 has 8 divisors (see below), whose sum is σ = 62206406604216. Its totient is φ = 10367734434032.

The previous prime is 31103203302091. The next prime is 31103203302107. The reversal of 31103203302102 is 20120330230113.

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

31103203302102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31103203302107) 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 3 ways as a sum of consecutive naturals, for example, 2591933608503 + ... + 2591933608514.

It is an arithmetic number, because the mean of its divisors is an integer number (7775800825527).

Almost surely, 2^{31103203302102} is an apocalyptic number.

31103203302102 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.

31103203302102 is a wasteful number, since it uses less digits than its factorization.

31103203302102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5183867217022.

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

Adding to 31103203302102 its reverse (20120330230113), we get a palindrome (51223533532215).

The spelling of 31103203302102 in words is "thirty-one trillion, one hundred three billion, two hundred three million, three hundred two thousand, one hundred two".