1300212131 has 4 divisors (see below), whose sum is σ = 1331924664. Its totient is φ = 1268499600.

The previous prime is 1300212097. The next prime is 1300212143. The reversal of 1300212131 is 1312120031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1300212131 is a prime.

It is a super-2 number, since 2×1300212131² = 3381103171199122322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1300214131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15856205 + ... + 15856286.

It is an arithmetic number, because the mean of its divisors is an integer number (332981166).

Almost surely, 2^1300212131 is an apocalyptic number.

1300212131 is a deficient number, since it is larger than the sum of its proper divisors (31712533).

1300212131 is an equidigital number, since it uses as much as digits as its factorization.

1300212131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31712532.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1300212131 is about 36058.4543623267. The cubic root of 1300212131 is about 1091.4522434898.

Adding to 1300212131 its reverse (1312120031), we get a palindrome (2612332162).

The spelling of 1300212131 in words is "one billion, three hundred million, two hundred twelve thousand, one hundred thirty-one".