3213000003551 has 4 divisors (see below), whose sum is σ = 3460153849992. Its totient is φ = 2965846157112.

The previous prime is 3213000003547. The next prime is 3213000003557. The reversal of 3213000003551 is 1553000003123.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3213000003551 - 2² = 3213000003547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213000003557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123576923201 + ... + 123576923226.

It is an arithmetic number, because the mean of its divisors is an integer number (865038462498).

Almost surely, 2^{3213000003551} is an apocalyptic number.

3213000003551 is a deficient number, since it is larger than the sum of its proper divisors (247153846441).

3213000003551 is a wasteful number, since it uses less digits than its factorization.

3213000003551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247153846440.

The product of its (nonzero) digits is 1350, while the sum is 23.

Adding to 3213000003551 its reverse (1553000003123), we get a palindrome (4766000006674).

The spelling of 3213000003551 in words is "three trillion, two hundred thirteen billion, three thousand, five hundred fifty-one".