4313211981 has 8 divisors (see below), whose sum is σ = 6193330080. Its totient is φ = 2654284272.

The previous prime is 4313211979. The next prime is 4313212031. The reversal of 4313211981 is 1891123134.

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

It is not a de Polignac number, because 4313211981 - 2¹ = 4313211979 is a prime.

It is a super-2 number, since 2×4313211981² = 37207595186083888722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4313211911) 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, 55297551 + ... + 55297628.

It is an arithmetic number, because the mean of its divisors is an integer number (774166260).

Almost surely, 2^4313211981 is an apocalyptic number.

It is an amenable number.

4313211981 is a deficient number, since it is larger than the sum of its proper divisors (1880118099).

4313211981 is a wasteful number, since it uses less digits than its factorization.

4313211981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110595195.

The product of its digits is 5184, while the sum is 33.

The square root of 4313211981 is about 65675.0483897804. The cubic root of 4313211981 is about 1627.7970895187.

The spelling of 4313211981 in words is "four billion, three hundred thirteen million, two hundred eleven thousand, nine hundred eighty-one".