1210001313 has 16 divisors (see below), whose sum is σ = 1623317760. Its totient is φ = 801690624.

The previous prime is 1210001291. The next prime is 1210001321. The reversal of 1210001313 is 3131000121.

It is not a de Polignac number, because 1210001313 - 2⁹ = 1210000801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1210001813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438145 + ... + 440897.

It is an arithmetic number, because the mean of its divisors is an integer number (101457360).

Almost surely, 2^1210001313 is an apocalyptic number.

It is an amenable number.

1210001313 is a deficient number, since it is larger than the sum of its proper divisors (413316447).

1210001313 is a wasteful number, since it uses less digits than its factorization.

1210001313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3608.

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

The square root of 1210001313 is about 34785.0731348951. The cubic root of 1210001313 is about 1065.6026222033.

Adding to 1210001313 its reverse (3131000121), we get a palindrome (4341001434).

The spelling of 1210001313 in words is "one billion, two hundred ten million, one thousand, three hundred thirteen".