1312320101 has 8 divisors (see below), whose sum is σ = 1382747520. Its totient is φ = 1242028512.

The previous prime is 1312320091. The next prime is 1312320127. The reversal of 1312320101 is 1010232131.

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 1312320101 - 2¹⁰ = 1312319077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312320301) 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, 13805 + ... + 53058.

It is an arithmetic number, because the mean of its divisors is an integer number (172843440).

Almost surely, 2^1312320101 is an apocalyptic number.

It is an amenable number.

1312320101 is a deficient number, since it is larger than the sum of its proper divisors (70427419).

1312320101 is a wasteful number, since it uses less digits than its factorization.

1312320101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67915.

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

The square root of 1312320101 is about 36225.9589383083. The cubic root of 1312320101 is about 1094.8297591235.

Adding to 1312320101 its reverse (1010232131), we get a palindrome (2322552232).

It can be divided in two parts, 131 and 2320101, that added together give a palindrome (2320232).

The spelling of 1312320101 in words is "one billion, three hundred twelve million, three hundred twenty thousand, one hundred one".