320142201431 has 32 divisors (see below), whose sum is σ = 367952336640. Its totient is φ = 276088137984.

The previous prime is 320142201409. The next prime is 320142201481. The reversal of 320142201431 is 134102241023.

It is a cyclic number.

It is not a de Polignac number, because 320142201431 - 2¹⁰ = 320142200407 is a prime.

It is a super-2 number, since 2×320142201431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320142201397 and 320142201406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320142201481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11528195 + ... + 11555931.

It is an arithmetic number, because the mean of its divisors is an integer number (11498510520).

Almost surely, 2^320142201431 is an apocalyptic number.

320142201431 is a deficient number, since it is larger than the sum of its proper divisors (47810135209).

320142201431 is a wasteful number, since it uses less digits than its factorization.

320142201431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28415.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 320142201431 its reverse (134102241023), we get a palindrome (454244442454).

The spelling of 320142201431 in words is "three hundred twenty billion, one hundred forty-two million, two hundred one thousand, four hundred thirty-one".