2131220232301 has 16 divisors (see below), whose sum is σ = 2144129036800. Its totient is φ = 2118346084800.

The previous prime is 2131220232293. The next prime is 2131220232311. The reversal of 2131220232301 is 1032320221312.

It is a cyclic number.

It is not a de Polignac number, because 2131220232301 - 2³ = 2131220232293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131220232311) 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, 542155306 + ... + 542159236.

It is an arithmetic number, because the mean of its divisors is an integer number (134008064800).

Almost surely, 2^{2131220232301} is an apocalyptic number.

It is an amenable number.

2131220232301 is a deficient number, since it is larger than the sum of its proper divisors (12908804499).

2131220232301 is a wasteful number, since it uses less digits than its factorization.

2131220232301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7540.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2131220232301 its reverse (1032320221312), we get a palindrome (3163540453613).

The spelling of 2131220232301 in words is "two trillion, one hundred thirty-one billion, two hundred twenty million, two hundred thirty-two thousand, three hundred one".