2312201453251 has 4 divisors (see below), whose sum is σ = 2433896266600. Its totient is φ = 2190506639904.

The previous prime is 2312201453249. The next prime is 2312201453269. The reversal of 2312201453251 is 1523541022132.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2312201453251 - 2¹ = 2312201453249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2312201453651) 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, 60847406646 + ... + 60847406683.

It is an arithmetic number, because the mean of its divisors is an integer number (608474066650).

Almost surely, 2^{2312201453251} is an apocalyptic number.

2312201453251 is a deficient number, since it is larger than the sum of its proper divisors (121694813349).

2312201453251 is a wasteful number, since it uses less digits than its factorization.

2312201453251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121694813348.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 2312201453251 its reverse (1523541022132), we get a palindrome (3835742475383).

The spelling of 2312201453251 in words is "two trillion, three hundred twelve billion, two hundred one million, four hundred fifty-three thousand, two hundred fifty-one".