331121331301 has 4 divisors (see below), whose sum is σ = 332343181504. Its totient is φ = 329899481100.

The previous prime is 331121331259. The next prime is 331121331371. The reversal of 331121331301 is 103133121133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 331121331301 - 2⁹ = 331121330789 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 (331121331371) 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, 610924695 + ... + 610925236.

It is an arithmetic number, because the mean of its divisors is an integer number (83085795376).

Almost surely, 2^331121331301 is an apocalyptic number.

It is an amenable number.

331121331301 is a deficient number, since it is larger than the sum of its proper divisors (1221850203).

331121331301 is a wasteful number, since it uses less digits than its factorization.

331121331301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221850202.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 331121331301 its reverse (103133121133), we get a palindrome (434254452434).

The spelling of 331121331301 in words is "three hundred thirty-one billion, one hundred twenty-one million, three hundred thirty-one thousand, three hundred one".