1051310313523 has 4 divisors (see below), whose sum is σ = 1054012911120. Its totient is φ = 1048607715928.

The previous prime is 1051310313481. The next prime is 1051310313527. The reversal of 1051310313523 is 3253130131501.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1051310313523 - 2²⁹ = 1050773442611 is a prime.

It is a super-2 number, since 2×1051310313523² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1051310313491 and 1051310313500.

It is not an unprimeable number, because it can be changed into a prime (1051310313527) 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, 1351298215 + ... + 1351298992.

It is an arithmetic number, because the mean of its divisors is an integer number (263503227780).

Almost surely, 2^{1051310313523} is an apocalyptic number.

1051310313523 is a deficient number, since it is larger than the sum of its proper divisors (2702597597).

1051310313523 is an equidigital number, since it uses as much as digits as its factorization.

1051310313523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2702597596.

The product of its (nonzero) digits is 4050, while the sum is 28.

The spelling of 1051310313523 in words is "one trillion, fifty-one billion, three hundred ten million, three hundred thirteen thousand, five hundred twenty-three".