1211000313 has 8 divisors (see below), whose sum is σ = 1654049376. Its totient is φ = 787642400.

The previous prime is 1211000291. The next prime is 1211000327. The reversal of 1211000313 is 3130001121.

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

It is a cyclic number.

It is not a de Polignac number, because 1211000313 - 2⁶ = 1211000249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1211008313) 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, 4922643 + ... + 4922888.

It is an arithmetic number, because the mean of its divisors is an integer number (206756172).

Almost surely, 2^1211000313 is an apocalyptic number.

It is an amenable number.

1211000313 is a deficient number, since it is larger than the sum of its proper divisors (443049063).

1211000313 is an equidigital number, since it uses as much as digits as its factorization.

1211000313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9845575.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1211000313 is about 34799.4297798110. The cubic root of 1211000313 is about 1065.8958021019.

Adding to 1211000313 its reverse (3130001121), we get a palindrome (4341001434).

The spelling of 1211000313 in words is "one billion, two hundred eleven million, three hundred thirteen", and thus it is an aban number.