2031231302201 has 4 divisors (see below), whose sum is σ = 2032484376804. Its totient is φ = 2029978227600.

The previous prime is 2031231302197. The next prime is 2031231302209. The reversal of 2031231302201 is 1022031321302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1379917740601 + 651313561600 = 1174699^2 + 807040^2 .

It is a cyclic number.

It is not a de Polignac number, because 2031231302201 - 2² = 2031231302197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031231302209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626534870 + ... + 626538111.

It is an arithmetic number, because the mean of its divisors is an integer number (508121094201).

Almost surely, 2^{2031231302201} is an apocalyptic number.

It is an amenable number.

2031231302201 is a deficient number, since it is larger than the sum of its proper divisors (1253074603).

2031231302201 is a wasteful number, since it uses less digits than its factorization.

2031231302201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253074602.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2031231302201 its reverse (1022031321302), we get a palindrome (3053262623503).

The spelling of 2031231302201 in words is "two trillion, thirty-one billion, two hundred thirty-one million, three hundred two thousand, two hundred one".