1310021924731 has 4 divisors (see below), whose sum is σ = 1410792842032. Its totient is φ = 1209251007432.

The previous prime is 1310021924713. The next prime is 1310021924737. The reversal of 1310021924731 is 1374291200131.

It is a happy number.

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

It is not a de Polignac number, because 1310021924731 - 2¹⁵ = 1310021891963 is a prime.

It is a super-2 number, since 2×1310021924731² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1310021924737) 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, 50385458631 + ... + 50385458656.

It is an arithmetic number, because the mean of its divisors is an integer number (352698210508).

Almost surely, 2^{1310021924731} is an apocalyptic number.

1310021924731 is a deficient number, since it is larger than the sum of its proper divisors (100770917301).

1310021924731 is a wasteful number, since it uses less digits than its factorization.

1310021924731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100770917300.

The product of its (nonzero) digits is 9072, while the sum is 34.

The spelling of 1310021924731 in words is "one trillion, three hundred ten billion, twenty-one million, nine hundred twenty-four thousand, seven hundred thirty-one".