10347511321 has 16 divisors (see below), whose sum is σ = 12453193600. Its totient is φ = 8399075328.

The previous prime is 10347511249. The next prime is 10347511327. The reversal of 10347511321 is 12311574301.

It is not a de Polignac number, because 10347511321 - 2¹⁷ = 10347380249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10347511321.

It is not an unprimeable number, because it can be changed into a prime (10347511327) 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, 343171 + ... + 372103.

It is an arithmetic number, because the mean of its divisors is an integer number (778324600).

Almost surely, 2^10347511321 is an apocalyptic number.

It is an amenable number.

10347511321 is a deficient number, since it is larger than the sum of its proper divisors (2105682279).

10347511321 is a wasteful number, since it uses less digits than its factorization.

10347511321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31648.

The product of its (nonzero) digits is 2520, while the sum is 28.

The spelling of 10347511321 in words is "ten billion, three hundred forty-seven million, five hundred eleven thousand, three hundred twenty-one".