31303011032223 has 16 divisors (see below), whose sum is σ = 47706125246976. Its totient is φ = 17885072783520.

The previous prime is 31303011032221. The next prime is 31303011032231. The reversal of 31303011032223 is 32223011030313.

It is not a de Polignac number, because 31303011032223 - 2¹ = 31303011032221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31303011032193 and 31303011032202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31303011032221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98257683 + ... + 98575748.

It is an arithmetic number, because the mean of its divisors is an integer number (2981632827936).

Almost surely, 2^{31303011032223} is an apocalyptic number.

31303011032223 is a deficient number, since it is larger than the sum of its proper divisors (16403114214753).

31303011032223 is a wasteful number, since it uses less digits than its factorization.

31303011032223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196841014.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 31303011032223 its reverse (32223011030313), we get a palindrome (63526022062536).

The spelling of 31303011032223 in words is "thirty-one trillion, three hundred three billion, eleven million, thirty-two thousand, two hundred twenty-three".