11020023131 has 8 divisors (see below), whose sum is σ = 12188466864. Its totient is φ = 9897400800.

The previous prime is 11020023121. The next prime is 11020023151. The reversal of 11020023131 is 13132002011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11020023131 - 2¹⁸ = 11019760987 is a prime.

It is a super-2 number, since 2×11020023131² (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 (11020023121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11454845 + ... + 11455806.

It is an arithmetic number, because the mean of its divisors is an integer number (1523558358).

Almost surely, 2^11020023131 is an apocalyptic number.

11020023131 is a deficient number, since it is larger than the sum of its proper divisors (1168443733).

11020023131 is a wasteful number, since it uses less digits than its factorization.

11020023131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22910701.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11020023131 its reverse (13132002011), we get a palindrome (24152025142).

It can be divided in two parts, 110200 and 23131, that added together give a palindrome (133331).

The spelling of 11020023131 in words is "eleven billion, twenty million, twenty-three thousand, one hundred thirty-one".