321104434031 has 32 divisors (see below), whose sum is σ = 339544258560. Its totient is φ = 303413071104.

The previous prime is 321104434003. The next prime is 321104434037. The reversal of 321104434031 is 130434401123.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 321104434031 - 2³⁰ = 320030692207 is a prime.

It is a super-2 number, since 2×321104434031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321104434037) 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, 28888931 + ... + 28900043.

It is an arithmetic number, because the mean of its divisors is an integer number (10610758080).

Almost surely, 2^321104434031 is an apocalyptic number.

321104434031 is a deficient number, since it is larger than the sum of its proper divisors (18439824529).

321104434031 is a wasteful number, since it uses less digits than its factorization.

321104434031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11415.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 321104434031 its reverse (130434401123), we get a palindrome (451538835154).

The spelling of 321104434031 in words is "three hundred twenty-one billion, one hundred four million, four hundred thirty-four thousand, thirty-one".