11431000340 has 12 divisors (see below), whose sum is σ = 24005100756. Its totient is φ = 4572400128.

The previous prime is 11431000319. The next prime is 11431000363. The reversal of 11431000340 is 4300013411.

It can be written as a sum of positive squares in 2 ways, for example, as 6036979204 + 5394021136 = 77698^2 + 73444^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285774989 + ... + 285775028.

It is an arithmetic number, because the mean of its divisors is an integer number (2000425063).

Almost surely, 2^11431000340 is an apocalyptic number.

11431000340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11431000340 is an abundant number, since it is smaller than the sum of its proper divisors (12574100416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11431000340 is a wasteful number, since it uses less digits than its factorization.

11431000340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571550026 (or 571550024 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 11431000340 its reverse (4300013411), we get a palindrome (15731013751).

The spelling of 11431000340 in words is "eleven billion, four hundred thirty-one million, three hundred forty", and thus it is an aban number.