11230420431 has 8 divisors (see below), whose sum is σ = 15227688960. Its totient is φ = 7360049432.

The previous prime is 11230420423. The next prime is 11230420447. The reversal of 11230420431 is 13402403211.

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 11230420431 - 2³ = 11230420423 is a prime.

It is a super-2 number, since 2×11230420431² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11230420398 and 11230420407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11230422431) 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, 31724175 + ... + 31724528.

It is an arithmetic number, because the mean of its divisors is an integer number (1903461120).

Almost surely, 2^11230420431 is an apocalyptic number.

11230420431 is a deficient number, since it is larger than the sum of its proper divisors (3997268529).

11230420431 is an equidigital number, since it uses as much as digits as its factorization.

11230420431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63448765.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 11230420431 its reverse (13402403211), we get a palindrome (24632823642).

The spelling of 11230420431 in words is "eleven billion, two hundred thirty million, four hundred twenty thousand, four hundred thirty-one".