11342311031 has 4 divisors (see below), whose sum is σ = 11708192064. Its totient is φ = 10976430000.

The previous prime is 11342311027. The next prime is 11342311063. The reversal of 11342311031 is 13011324311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11342311031 - 2² = 11342311027 is a prime.

It is a super-2 number, since 2×11342311031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11342310994 and 11342311012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11342311531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182940470 + ... + 182940531.

It is an arithmetic number, because the mean of its divisors is an integer number (2927048016).

Almost surely, 2^11342311031 is an apocalyptic number.

11342311031 is a deficient number, since it is larger than the sum of its proper divisors (365881033).

11342311031 is an equidigital number, since it uses as much as digits as its factorization.

11342311031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365881032.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 11342311031 its reverse (13011324311), we get a palindrome (24353635342).

The spelling of 11342311031 in words is "eleven billion, three hundred forty-two million, three hundred eleven thousand, thirty-one".