11020431 has 8 divisors (see below), whose sum is σ = 15052464. Its totient is φ = 7167680.

The previous prime is 11020423. The next prime is 11020439. The reversal of 11020431 is 13402011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11020423) and next prime (11020439).

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 11020431 - 2³ = 11020423 is a prime.

It is a super-2 number, since 2×11020431² = 242899798851522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020439) 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, 44676 + ... + 44921.

It is an arithmetic number, because the mean of its divisors is an integer number (1881558).

Almost surely, 2^11020431 is an apocalyptic number.

11020431 is a deficient number, since it is larger than the sum of its proper divisors (4032033).

11020431 is an equidigital number, since it uses as much as digits as its factorization.

11020431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89641.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 11020431 is about 3319.7034506112. The cubic root of 11020431 is about 222.5356152221.

Adding to 11020431 its reverse (13402011), we get a palindrome (24422442).

The spelling of 11020431 in words is "eleven million, twenty thousand, four hundred thirty-one".