331001222130 has 48 divisors (see below), whose sum is σ = 860789381400. Its totient is φ = 88247894784.

The previous prime is 331001222117. The next prime is 331001222131. The reversal of 331001222130 is 31222100133.

331001222130 is a `hidden beast` number, since 3 + 310 + 0 + 1 + 222 + 130 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 330833182761 + 168039369 = 575181^2 + 12963^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (331001222131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22864 + ... + 813956.

Almost surely, 2^331001222130 is an apocalyptic number.

331001222130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

331001222130 is an abundant number, since it is smaller than the sum of its proper divisors (529788159270).

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

331001222130 is a wasteful number, since it uses less digits than its factorization.

331001222130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795755 (or 795752 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 331001222130 its reverse (31222100133), we get a palindrome (362223322263).

The spelling of 331001222130 in words is "three hundred thirty-one billion, one million, two hundred twenty-two thousand, one hundred thirty".