1321231301 has 16 divisors (see below), whose sum is σ = 1434316800. Its totient is φ = 1209826368.

The previous prime is 1321231283. The next prime is 1321231321. The reversal of 1321231301 is 1031321231.

It is a cyclic number.

It is not a de Polignac number, because 1321231301 - 2⁶ = 1321231237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1321231301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321231321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1032380 + ... + 1033658.

It is an arithmetic number, because the mean of its divisors is an integer number (89644800).

Almost surely, 2^1321231301 is an apocalyptic number.

It is an amenable number.

1321231301 is a deficient number, since it is larger than the sum of its proper divisors (113085499).

1321231301 is a wasteful number, since it uses less digits than its factorization.

1321231301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1321231301 is about 36348.7455216820. The cubic root of 1321231301 is about 1097.3022877087.

Adding to 1321231301 its reverse (1031321231), we get a palindrome (2352552532).

The spelling of 1321231301 in words is "one billion, three hundred twenty-one million, two hundred thirty-one thousand, three hundred one".