331003310331220 has 48 divisors (see below), whose sum is σ = 736000276547088. Its totient is φ = 124612218460160.

The previous prime is 331003310331163. The next prime is 331003310331247. The reversal of 331003310331220 is 22133013300133.

It can be written as a sum of positive squares in 8 ways, for example, as 723064510224 + 330280245820996 = 850332^2 + 18173614^2 .

It is a super-2 number, since 2×331003310331220² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51879090 + ... + 57908950.

It is an arithmetic number, because the mean of its divisors is an integer number (15333339094731).

Almost surely, 2^{331003310331220} is an apocalyptic number.

It is an amenable number.

331003310331220 is an abundant number, since it is smaller than the sum of its proper divisors (404996966215868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331003310331220 is a wasteful number, since it uses less digits than its factorization.

331003310331220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6191340 (or 6191338 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 331003310331220 its reverse (22133013300133), we get a palindrome (353136323631353).

The spelling of 331003310331220 in words is "three hundred thirty-one trillion, three billion, three hundred ten million, three hundred thirty-one thousand, two hundred twenty".