11332143031 has 32 divisors (see below), whose sum is σ = 12899727360. Its totient is φ = 9862041600.

The previous prime is 11332143019. The next prime is 11332143061. The reversal of 11332143031 is 13034123311.

It is a cyclic number.

It is not a de Polignac number, because 11332143031 - 2¹⁷ = 11332011959 is a prime.

It is a super-2 number, since 2×11332143031² (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 = 11332142993 and 11332143011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11332143061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15334060 + ... + 15334798.

It is an arithmetic number, because the mean of its divisors is an integer number (403116480).

Almost surely, 2^11332143031 is an apocalyptic number.

11332143031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11332143031 is a deficient number, since it is larger than the sum of its proper divisors (1567584329).

11332143031 is a wasteful number, since it uses less digits than its factorization.

11332143031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 11332143031 its reverse (13034123311), we get a palindrome (24366266342).

The spelling of 11332143031 in words is "eleven billion, three hundred thirty-two million, one hundred forty-three thousand, thirty-one".