2311552400213 has 16 divisors (see below), whose sum is σ = 2671083765504. Its totient is φ = 1959468887040.

The previous prime is 2311552400159. The next prime is 2311552400221. The reversal of 2311552400213 is 3120042551132.

It is not a de Polignac number, because 2311552400213 - 2¹² = 2311552396117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311552409213) 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, 4788428 + ... + 5249013.

It is an arithmetic number, because the mean of its divisors is an integer number (166942735344).

Almost surely, 2^{2311552400213} is an apocalyptic number.

It is an amenable number.

2311552400213 is a deficient number, since it is larger than the sum of its proper divisors (359531365291).

2311552400213 is a wasteful number, since it uses less digits than its factorization.

2311552400213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10037812.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 2311552400213 its reverse (3120042551132), we get a palindrome (5431594951345).

The spelling of 2311552400213 in words is "two trillion, three hundred eleven billion, five hundred fifty-two million, four hundred thousand, two hundred thirteen".