331131201001 has 4 divisors (see below), whose sum is σ = 331142027904. Its totient is φ = 331120374100.

The previous prime is 331131200999. The next prime is 331131201007. The reversal of 331131201001 is 100102131133.

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 331131201001 - 2¹ = 331131200999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331131201007) 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, 5367445 + ... + 5428786.

It is an arithmetic number, because the mean of its divisors is an integer number (82785506976).

Almost surely, 2^331131201001 is an apocalyptic number.

It is an amenable number.

331131201001 is a deficient number, since it is larger than the sum of its proper divisors (10826903).

331131201001 is a wasteful number, since it uses less digits than its factorization.

331131201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10826902.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 331131201001 its reverse (100102131133), we get a palindrome (431233332134).

The spelling of 331131201001 in words is "three hundred thirty-one billion, one hundred thirty-one million, two hundred one thousand, one".