331488213 has 32 divisors (see below), whose sum is σ = 535775232. Its totient is φ = 178200000.

The previous prime is 331488211. The next prime is 331488221. The reversal of 331488213 is 312884133.

It is not a de Polignac number, because 331488213 - 2¹ = 331488211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331488211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23838 + ... + 35088.

It is an arithmetic number, because the mean of its divisors is an integer number (16742976).

Almost surely, 2^331488213 is an apocalyptic number.

It is an amenable number.

331488213 is a deficient number, since it is larger than the sum of its proper divisors (204287019).

331488213 is a wasteful number, since it uses less digits than its factorization.

331488213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11345.

The product of its digits is 13824, while the sum is 33.

The square root of 331488213 is about 18206.8177614870. The cubic root of 331488213 is about 692.0795715520.

The spelling of 331488213 in words is "three hundred thirty-one million, four hundred eighty-eight thousand, two hundred thirteen".