2312542203621 has 64 divisors (see below), whose sum is σ = 3663864314880. Its totient is φ = 1284730191360.

The previous prime is 2312542203617. The next prime is 2312542203641. The reversal of 2312542203621 is 1263022452132.

2312542203621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2312542203621 - 2² = 2312542203617 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312542203641) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 421290 + ... + 2191476.

It is an arithmetic number, because the mean of its divisors is an integer number (57247879920).

Almost surely, 2^{2312542203621} is an apocalyptic number.

It is an amenable number.

2312542203621 is a deficient number, since it is larger than the sum of its proper divisors (1351322111259).

2312542203621 is a wasteful number, since it uses less digits than its factorization.

2312542203621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770306.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 2312542203621 its reverse (1263022452132), we get a palindrome (3575564655753).

The spelling of 2312542203621 in words is "two trillion, three hundred twelve billion, five hundred forty-two million, two hundred three thousand, six hundred twenty-one".