331434121001 has 4 divisors (see below), whose sum is σ = 331437428052. Its totient is φ = 331430813952.

The previous prime is 331434120949. The next prime is 331434121003. The reversal of 331434121001 is 100121434133.

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

It can be written as a sum of positive squares in 2 ways, for example, as 30949253776 + 300484867225 = 175924^2 + 548165^2 .

It is a cyclic number.

It is not a de Polignac number, because 331434121001 - 2¹⁰ = 331434119977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331434121003) 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, 1498340 + ... + 1705253.

It is an arithmetic number, because the mean of its divisors is an integer number (82859357013).

Almost surely, 2^331434121001 is an apocalyptic number.

It is an amenable number.

331434121001 is a deficient number, since it is larger than the sum of its proper divisors (3307051).

331434121001 is a wasteful number, since it uses less digits than its factorization.

331434121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3307050.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 331434121001 its reverse (100121434133), we get a palindrome (431555555134).

The spelling of 331434121001 in words is "three hundred thirty-one billion, four hundred thirty-four million, one hundred twenty-one thousand, one".