31030103221232 has 20 divisors (see below), whose sum is σ = 60120915396840. Its totient is φ = 15515028280128.

The previous prime is 31030103221219. The next prime is 31030103221289. The reversal of 31030103221232 is 23212230103013.

It is a junction number, because it is equal to n+sod(n) for n = 31030103221198 and 31030103221207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15469343 + ... + 17359745.

It is an arithmetic number, because the mean of its divisors is an integer number (3006045769842).

Almost surely, 2^{31030103221232} is an apocalyptic number.

It is an amenable number.

31030103221232 is a deficient number, since it is larger than the sum of its proper divisors (29090812175608).

31030103221232 is a wasteful number, since it uses less digits than its factorization.

31030103221232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2916320 (or 2916314 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 31030103221232 its reverse (23212230103013), we get a palindrome (54242333324245).

The spelling of 31030103221232 in words is "thirty-one trillion, thirty billion, one hundred three million, two hundred twenty-one thousand, two hundred thirty-two".