2311213321442 has 64 divisors (see below), whose sum is σ = 3580800410880. Its totient is φ = 1118445619200.

The previous prime is 2311213321427. The next prime is 2311213321457. The reversal of 2311213321442 is 2441233121132.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2311213321427) and next prime (2311213321457).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1793027534 + ... + 1793028822.

It is an arithmetic number, because the mean of its divisors is an integer number (55950006420).

Almost surely, 2^{2311213321442} is an apocalyptic number.

2311213321442 is a deficient number, since it is larger than the sum of its proper divisors (1269587089438).

2311213321442 is a wasteful number, since it uses less digits than its factorization.

2311213321442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459.

The product of its digits is 6912, while the sum is 29.

Adding to 2311213321442 its reverse (2441233121132), we get a palindrome (4752446442574).

The spelling of 2311213321442 in words is "two trillion, three hundred eleven billion, two hundred thirteen million, three hundred twenty-one thousand, four hundred forty-two".