11830747731 has 8 divisors (see below), whose sum is σ = 17208360384. Its totient is φ = 7170150120.

The previous prime is 11830747699. The next prime is 11830747757. The reversal of 11830747731 is 13774703811.

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

It is not a de Polignac number, because 11830747731 - 2⁵ = 11830747699 is a prime.

It is a super-2 number, since 2×11830747731² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11830747771) 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, 179253721 + ... + 179253786.

It is an arithmetic number, because the mean of its divisors is an integer number (2151045048).

Almost surely, 2^11830747731 is an apocalyptic number.

11830747731 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11830747731 is a deficient number, since it is larger than the sum of its proper divisors (5377612653).

11830747731 is a wasteful number, since it uses less digits than its factorization.

11830747731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358507521.

The product of its (nonzero) digits is 98784, while the sum is 42.

The spelling of 11830747731 in words is "eleven billion, eight hundred thirty million, seven hundred forty-seven thousand, seven hundred thirty-one".