331132020231 has 8 divisors (see below), whose sum is σ = 441517224064. Its totient is φ = 220750748280.

The previous prime is 331132020229. The next prime is 331132020269. The reversal of 331132020231 is 132020231133.

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

It is not a de Polignac number, because 331132020231 - 2¹ = 331132020229 is a prime.

It is a super-2 number, since 2×331132020231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331132020198 and 331132020207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331132020931) 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, 780505 + ... + 1127586.

It is an arithmetic number, because the mean of its divisors is an integer number (55189653008).

Almost surely, 2^331132020231 is an apocalyptic number.

331132020231 is a deficient number, since it is larger than the sum of its proper divisors (110385203833).

331132020231 is a wasteful number, since it uses less digits than its factorization.

331132020231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1965941.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 331132020231 its reverse (132020231133), we get a palindrome (463152251364).

The spelling of 331132020231 in words is "three hundred thirty-one billion, one hundred thirty-two million, twenty thousand, two hundred thirty-one".