11322021031 has 2 divisors, whose sum is σ = 11322021032. Its totient is φ = 11322021030.

The previous prime is 11322021001. The next prime is 11322021037. The reversal of 11322021031 is 13012022311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11322021031 - 2¹⁵ = 11321988263 is a prime.

It is a super-2 number, since 2×11322021031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11322020996 and 11322021014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11322021037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5661010515 + 5661010516.

It is an arithmetic number, because the mean of its divisors is an integer number (5661010516).

Almost surely, 2^11322021031 is an apocalyptic number.

11322021031 is a deficient number, since it is larger than the sum of its proper divisors (1).

11322021031 is an equidigital number, since it uses as much as digits as its factorization.

11322021031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11322021031 its reverse (13012022311), we get a palindrome (24334043342).

The spelling of 11322021031 in words is "eleven billion, three hundred twenty-two million, twenty-one thousand, thirty-one".