320134151501 has 4 divisors (see below), whose sum is σ = 320163110400. Its totient is φ = 320105192604.

The previous prime is 320134151497. The next prime is 320134151521. The reversal of 320134151501 is 105151431023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 105151431023 = 809 ⋅129977047.

It is a cyclic number.

It is not a de Polignac number, because 320134151501 - 2² = 320134151497 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320134151521) 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, 14462861 + ... + 14484978.

It is an arithmetic number, because the mean of its divisors is an integer number (80040777600).

Almost surely, 2^320134151501 is an apocalyptic number.

It is an amenable number.

320134151501 is a deficient number, since it is larger than the sum of its proper divisors (28958899).

320134151501 is a wasteful number, since it uses less digits than its factorization.

320134151501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28958898.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 320134151501 its reverse (105151431023), we get a palindrome (425285582524).

The spelling of 320134151501 in words is "three hundred twenty billion, one hundred thirty-four million, one hundred fifty-one thousand, five hundred one".