11011030131 has 4 divisors (see below), whose sum is σ = 14681373512. Its totient is φ = 7340686752.

The previous prime is 11011030109. The next prime is 11011030153. The reversal of 11011030131 is 13103011011.

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

It is an interprime number because it is at equal distance from previous prime (11011030109) and next prime (11011030153).

It is not a de Polignac number, because 11011030131 - 2¹³ = 11011021939 is a prime.

It is a super-2 number, since 2×11011030131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11011030031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1835171686 + ... + 1835171691.

It is an arithmetic number, because the mean of its divisors is an integer number (3670343378).

Almost surely, 2^11011030131 is an apocalyptic number.

11011030131 is a deficient number, since it is larger than the sum of its proper divisors (3670343381).

11011030131 is an equidigital number, since it uses as much as digits as its factorization.

11011030131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3670343380.

The product of its (nonzero) digits is 9, while the sum is 12.

Adding to 11011030131 its reverse (13103011011), we get a palindrome (24114041142).

The spelling of 11011030131 in words is "eleven billion, eleven million, thirty thousand, one hundred thirty-one".