11132031331 has 16 divisors (see below), whose sum is σ = 11502466560. Its totient is φ = 10767949920.

The previous prime is 11132031293. The next prime is 11132031347. The reversal of 11132031331 is 13313023111.

It is a cyclic number.

It is not a de Polignac number, because 11132031331 - 2¹⁹ = 11131507043 is a prime.

It is a super-2 number, since 2×11132031331² (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 = 11132031299 and 11132031308.

It is not an unprimeable number, because it can be changed into a prime (11132031431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3695616 + ... + 3698626.

It is an arithmetic number, because the mean of its divisors is an integer number (718904160).

Almost surely, 2^11132031331 is an apocalyptic number.

11132031331 is a deficient number, since it is larger than the sum of its proper divisors (370435229).

11132031331 is an equidigital number, since it uses as much as digits as its factorization.

11132031331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4026.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 11132031331 its reverse (13313023111), we get a palindrome (24445054442).

The spelling of 11132031331 in words is "eleven billion, one hundred thirty-two million, thirty-one thousand, three hundred thirty-one".