2311222013131 has 8 divisors (see below), whose sum is σ = 2438644062800. Its totient is φ = 2184377842080.

The previous prime is 2311222013119. The next prime is 2311222013137. The reversal of 2311222013131 is 1313102221132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2311222013131 is a prime.

It is a super-2 number, since 2×2311222013131² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2311222013137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144461436 + ... + 144477433.

It is an arithmetic number, because the mean of its divisors is an integer number (304830507850).

Almost surely, 2^{2311222013131} is an apocalyptic number.

2311222013131 is a deficient number, since it is larger than the sum of its proper divisors (127422049669).

2311222013131 is a wasteful number, since it uses less digits than its factorization.

2311222013131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288939309.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2311222013131 its reverse (1313102221132), we get a palindrome (3624324234263).

The spelling of 2311222013131 in words is "two trillion, three hundred eleven billion, two hundred twenty-two million, thirteen thousand, one hundred thirty-one".