321131014431 has 8 divisors (see below), whose sum is σ = 428178130560. Its totient is φ = 214085620632.

The previous prime is 321131014427. The next prime is 321131014433. The reversal of 321131014431 is 134410131123.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 321131014431 - 2² = 321131014427 is a prime.

It is a super-2 number, since 2×321131014431² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321131014433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96726 + ... + 807228.

It is an arithmetic number, because the mean of its divisors is an integer number (53522266320).

Almost surely, 2^321131014431 is an apocalyptic number.

321131014431 is a deficient number, since it is larger than the sum of its proper divisors (107047116129).

321131014431 is a wasteful number, since it uses less digits than its factorization.

321131014431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861165.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 321131014431 its reverse (134410131123), we get a palindrome (455541145554).

The spelling of 321131014431 in words is "three hundred twenty-one billion, one hundred thirty-one million, fourteen thousand, four hundred thirty-one".