3901213310331 has 4 divisors (see below), whose sum is σ = 5201617747112. Its totient is φ = 2600808873552.

The previous prime is 3901213310321. The next prime is 3901213310333. The reversal of 3901213310331 is 1330133121093.

3901213310331 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3901213310331 - 2¹⁰ = 3901213309307 is a prime.

It is a super-2 number, since 2×3901213310331² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3901213310333) 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, 650202218386 + ... + 650202218391.

It is an arithmetic number, because the mean of its divisors is an integer number (1300404436778).

Almost surely, 2^{3901213310331} is an apocalyptic number.

3901213310331 is a deficient number, since it is larger than the sum of its proper divisors (1300404436781).

3901213310331 is a wasteful number, since it uses less digits than its factorization.

3901213310331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300404436780.

The product of its (nonzero) digits is 4374, while the sum is 30.

The spelling of 3901213310331 in words is "three trillion, nine hundred one billion, two hundred thirteen million, three hundred ten thousand, three hundred thirty-one".