1057031030813 has 8 divisors (see below), whose sum is σ = 1060369583616. Its totient is φ = 1053693352800.

The previous prime is 1057031030779. The next prime is 1057031030821. The reversal of 1057031030813 is 3180301307501.

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 1057031030813 - 2⁶ = 1057031030749 is a prime.

It is a super-3 number, since 3×1057031030813³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1057031030813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057031030833) 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, 2245508 + ... + 2675138.

It is an arithmetic number, because the mean of its divisors is an integer number (132546197952).

Almost surely, 2^{1057031030813} is an apocalyptic number.

It is an amenable number.

1057031030813 is a deficient number, since it is larger than the sum of its proper divisors (3338552803).

1057031030813 is an equidigital number, since it uses as much as digits as its factorization.

1057031030813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437395.

The product of its (nonzero) digits is 7560, while the sum is 32.

The spelling of 1057031030813 in words is "one trillion, fifty-seven billion, thirty-one million, thirty thousand, eight hundred thirteen".