3551448318231 has 16 divisors (see below), whose sum is σ = 5166753569280. Its totient is φ = 2151971853120.

The previous prime is 3551448318221. The next prime is 3551448318247. The reversal of 3551448318231 is 1328138441553.

It is not a de Polignac number, because 3551448318231 - 2⁹ = 3551448317719 is a prime.

It is a super-2 number, since 2×3551448318231² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3551448318221) 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, 10355391 + ... + 10692848.

It is an arithmetic number, because the mean of its divisors is an integer number (322922098080).

Almost surely, 2^{3551448318231} is an apocalyptic number.

3551448318231 is a deficient number, since it is larger than the sum of its proper divisors (1615305251049).

3551448318231 is a wasteful number, since it uses less digits than its factorization.

3551448318231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21053366.

The product of its digits is 1382400, while the sum is 48.

The spelling of 3551448318231 in words is "three trillion, five hundred fifty-one billion, four hundred forty-eight million, three hundred eighteen thousand, two hundred thirty-one".