11342222031 has 24 divisors (see below), whose sum is σ = 17966327040. Its totient is φ = 6343366512.

The previous prime is 11342221963. The next prime is 11342222039. The reversal of 11342222031 is 13022224311.

It is not a de Polignac number, because 11342222031 - 2⁷ = 11342221903 is a prime.

It is a super-2 number, since 2×11342222031² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 11342221989 and 11342222007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11342222039) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 813921 + ... + 827738.

It is an arithmetic number, because the mean of its divisors is an integer number (748596960).

Almost surely, 2^11342222031 is an apocalyptic number.

11342222031 is a deficient number, since it is larger than the sum of its proper divisors (6624105009).

11342222031 is a wasteful number, since it uses less digits than its factorization.

11342222031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641723 (or 1641716 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 11342222031 its reverse (13022224311), we get a palindrome (24364446342).

The spelling of 11342222031 in words is "eleven billion, three hundred forty-two million, two hundred twenty-two thousand, thirty-one".