321012142131430 has 64 divisors (see below), whose sum is σ = 607922612857728. Its totient is φ = 121885301283840.

The previous prime is 321012142131403. The next prime is 321012142131433. The reversal of 321012142131430 is 34131241210123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321012142131433) 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, 1227622879 + ... + 1227884341.

It is an arithmetic number, because the mean of its divisors is an integer number (9498790825902).

Almost surely, 2^{321012142131430} is an apocalyptic number.

321012142131430 is a deficient number, since it is larger than the sum of its proper divisors (286910470726298).

321012142131430 is a wasteful number, since it uses less digits than its factorization.

321012142131430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342481.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 321012142131430 its reverse (34131241210123), we get a palindrome (355143383341553).

The spelling of 321012142131430 in words is "three hundred twenty-one trillion, twelve billion, one hundred forty-two million, one hundred thirty-one thousand, four hundred thirty".