1310433410021 has 4 divisors (see below), whose sum is σ = 1310576839692. Its totient is φ = 1310289980352.

The previous prime is 1310433410003. The next prime is 1310433410047. The reversal of 1310433410021 is 1200143340131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 156443980900 + 1153989429121 = 395530^2 + 1074239^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1310433410021 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 (1310433410051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71701130 + ... + 71719403.

It is an arithmetic number, because the mean of its divisors is an integer number (327644209923).

Almost surely, 2^{1310433410021} is an apocalyptic number.

It is an amenable number.

1310433410021 is a deficient number, since it is larger than the sum of its proper divisors (143429671).

1310433410021 is an equidigital number, since it uses as much as digits as its factorization.

1310433410021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143429670.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1310433410021 its reverse (1200143340131), we get a palindrome (2510576750152).

The spelling of 1310433410021 in words is "one trillion, three hundred ten billion, four hundred thirty-three million, four hundred ten thousand, twenty-one".