1054311130421 has 4 divisors (see below), whose sum is σ = 1058685865644. Its totient is φ = 1049936395200.

The previous prime is 1054311130387. The next prime is 1054311130427. The reversal of 1054311130421 is 1240311134501.

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 311767006321 + 742544124100 = 558361^2 + 861710^2 .

It is a cyclic number.

It is not a de Polignac number, because 1054311130421 - 2³⁴ = 1037131261237 is a prime.

It is a super-2 number, since 2×1054311130421² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054311130427) 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, 2187367250 + ... + 2187367731.

It is an arithmetic number, because the mean of its divisors is an integer number (264671466411).

Almost surely, 2^{1054311130421} is an apocalyptic number.

It is an amenable number.

1054311130421 is a deficient number, since it is larger than the sum of its proper divisors (4374735223).

1054311130421 is an equidigital number, since it uses as much as digits as its factorization.

1054311130421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4374735222.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 1054311130421 its reverse (1240311134501), we get a palindrome (2294622264922).

The spelling of 1054311130421 in words is "one trillion, fifty-four billion, three hundred eleven million, one hundred thirty thousand, four hundred twenty-one".