321431133103210 has 32 divisors (see below), whose sum is σ = 625208448206160. Its totient is φ = 118277205593088.

The previous prime is 321431133103181. The next prime is 321431133103211. The reversal of 321431133103210 is 12301331134123.

It can be written as a sum of positive squares in 8 ways, for example, as 202393672139169 + 119037460964041 = 14226513^2 + 10910429^2 .

It is not an unprimeable number, because it can be changed into a prime (321431133103211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4219325695 + ... + 4219401874.

Almost surely, 2^{321431133103210} is an apocalyptic number.

321431133103210 is a deficient number, since it is larger than the sum of its proper divisors (303777315102950).

321431133103210 is a wasteful number, since it uses less digits than its factorization.

321431133103210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8438727882.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 321431133103210 its reverse (12301331134123), we get a palindrome (333732464237333).

The spelling of 321431133103210 in words is "three hundred twenty-one trillion, four hundred thirty-one billion, one hundred thirty-three million, one hundred three thousand, two hundred ten".