31103013033321 has 8 divisors (see below), whose sum is σ = 41970330840480. Its totient is φ = 20485518624192.

The previous prime is 31103013033283. The next prime is 31103013033329. The reversal of 31103013033321 is 12333031030113.

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

It is not a de Polignac number, because 31103013033321 - 2¹³ = 31103013025129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31103013033291 and 31103013033300.

It is not an unprimeable number, because it can be changed into a prime (31103013033329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62455849216 + ... + 62455849713.

It is an arithmetic number, because the mean of its divisors is an integer number (5246291355060).

Almost surely, 2^{31103013033321} is an apocalyptic number.

It is an amenable number.

31103013033321 is a deficient number, since it is larger than the sum of its proper divisors (10867317807159).

31103013033321 is a wasteful number, since it uses less digits than its factorization.

31103013033321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124911699015.

The product of its (nonzero) digits is 1458, while the sum is 24.

Adding to 31103013033321 its reverse (12333031030113), we get a palindrome (43436044063434).

The spelling of 31103013033321 in words is "thirty-one trillion, one hundred three billion, thirteen million, thirty-three thousand, three hundred twenty-one".