321125423340562 has 4 divisors (see below), whose sum is σ = 481688135010846. Its totient is φ = 160562711670280.

The previous prime is 321125423340487. The next prime is 321125423340613. The reversal of 321125423340562 is 265043324521123.

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

It can be written as a sum of positive squares in only one way, i.e., 242768776319521 + 78356647021041 = 15581039^2 + 8851929^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80281355835139 + ... + 80281355835142.

Almost surely, 2^{321125423340562} is an apocalyptic number.

321125423340562 is a deficient number, since it is larger than the sum of its proper divisors (160562711670284).

321125423340562 is a wasteful number, since it uses less digits than its factorization.

321125423340562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160562711670283.

The product of its (nonzero) digits is 1036800, while the sum is 43.

Adding to 321125423340562 its reverse (265043324521123), we get a palindrome (586168747861685).

The spelling of 321125423340562 in words is "three hundred twenty-one trillion, one hundred twenty-five billion, four hundred twenty-three million, three hundred forty thousand, five hundred sixty-two".