2231387049 has 16 divisors (see below), whose sum is σ = 3078993600. Its totient is φ = 1435726656.

The previous prime is 2231387029. The next prime is 2231387051. The reversal of 2231387049 is 9407831322.

It is not a de Polignac number, because 2231387049 - 2⁵ = 2231387017 is a prime.

It is a super-3 number, since 3×2231387049³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2231386998 and 2231387016.

It is not an unprimeable number, because it can be changed into a prime (2231387029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409062 + ... + 414480.

It is an arithmetic number, because the mean of its divisors is an integer number (192437100).

Almost surely, 2^2231387049 is an apocalyptic number.

2231387049 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2231387049 is a deficient number, since it is larger than the sum of its proper divisors (847606551).

2231387049 is a wasteful number, since it uses less digits than its factorization.

2231387049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10184.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 2231387049 is about 47237.5597274034. The cubic root of 2231387049 is about 1306.7473740222.

The spelling of 2231387049 in words is "two billion, two hundred thirty-one million, three hundred eighty-seven thousand, forty-nine".