1210211313 has 8 divisors (see below), whose sum is σ = 1614950208. Its totient is φ = 806139984.

The previous prime is 1210211291. The next prime is 1210211323. The reversal of 1210211313 is 3131120121.

It is a happy number.

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

It is not a de Polignac number, because 1210211313 - 2²⁶ = 1143102449 is a prime.

It is a super-2 number, since 2×1210211313² = 2929222844226367938, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1210211292 and 1210211301.

It is not an unprimeable number, because it can be changed into a prime (1210211323) 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, 162645 + ... + 169922.

It is an arithmetic number, because the mean of its divisors is an integer number (201868776).

Almost surely, 2^1210211313 is an apocalyptic number.

It is an amenable number.

1210211313 is a deficient number, since it is larger than the sum of its proper divisors (404738895).

1210211313 is a wasteful number, since it uses less digits than its factorization.

1210211313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333783.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1210211313 is about 34788.0915400658. The cubic root of 1210211313 is about 1065.6642650031.

Adding to 1210211313 its reverse (3131120121), we get a palindrome (4341331434).

The spelling of 1210211313 in words is "one billion, two hundred ten million, two hundred eleven thousand, three hundred thirteen".