321420233342031 has 32 divisors (see below), whose sum is σ = 456937586622720. Its totient is φ = 200606744620800.

The previous prime is 321420233341951. The next prime is 321420233342083. The reversal of 321420233342031 is 130243332024123.

It is not a de Polignac number, because 321420233342031 - 2²⁹ = 321419696471119 is a prime.

It is a super-2 number, since 2×321420233342031² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321420233341983 and 321420233342001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321420233342431) 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, 275827785 + ... + 276990626.

It is an arithmetic number, because the mean of its divisors is an integer number (14279299581960).

Almost surely, 2^{321420233342031} is an apocalyptic number.

321420233342031 is a deficient number, since it is larger than the sum of its proper divisors (135517353280689).

321420233342031 is a wasteful number, since it uses less digits than its factorization.

321420233342031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552818647.

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 321420233342031 its reverse (130243332024123), we get a palindrome (451663565366154).

The spelling of 321420233342031 in words is "three hundred twenty-one trillion, four hundred twenty billion, two hundred thirty-three million, three hundred forty-two thousand, thirty-one".