305023135041321 has 16 divisors (see below), whose sum is σ = 407982514531968. Its totient is φ = 202706262550400.

The previous prime is 305023135041293. The next prime is 305023135041329. The reversal of 305023135041321 is 123140531320503.

It is a cyclic number.

It is not a de Polignac number, because 305023135041321 - 2¹⁰ = 305023135040297 is a prime.

It is a super-2 number, since 2×305023135041321² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (305023135041329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221458501 + ... + 222831581.

It is an arithmetic number, because the mean of its divisors is an integer number (25498907158248).

Almost surely, 2^{305023135041321} is an apocalyptic number.

It is an amenable number.

305023135041321 is a deficient number, since it is larger than the sum of its proper divisors (102959379490647).

305023135041321 is a wasteful number, since it uses less digits than its factorization.

305023135041321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606992.

The product of its (nonzero) digits is 32400, while the sum is 33.

Adding to 305023135041321 its reverse (123140531320503), we get a palindrome (428163666361824).

The spelling of 305023135041321 in words is "three hundred five trillion, twenty-three billion, one hundred thirty-five million, forty-one thousand, three hundred twenty-one".