213031313010 has 96 divisors (see below), whose sum is σ = 574978203072. Its totient is φ = 56750725440.

The previous prime is 213031312997. The next prime is 213031313111. The reversal of 213031313010 is 10313130312.

It is a happy number.

213031313010 is a `hidden beast` number, since 21 + 30 + 313 + 1 + 301 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2378745 + ... + 2466675.

It is an arithmetic number, because the mean of its divisors is an integer number (5989356282).

Almost surely, 2^213031313010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213031313010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287489101536).

213031313010 is an abundant number, since it is smaller than the sum of its proper divisors (361946890062).

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

213031313010 is an equidigital number, since it uses as much as digits as its factorization.

213031313010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88950 (or 88938 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 213031313010 its reverse (10313130312), we get a palindrome (223344443322).

The spelling of 213031313010 in words is "two hundred thirteen billion, thirty-one million, three hundred thirteen thousand, ten".