2238031961 has 4 divisors (see below), whose sum is σ = 2441489424. Its totient is φ = 2034574500.

The previous prime is 2238031937. The next prime is 2238031979. The reversal of 2238031961 is 1691308322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2238031961 - 2⁶ = 2238031897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2238031921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101728715 + ... + 101728736.

It is an arithmetic number, because the mean of its divisors is an integer number (610372356).

Almost surely, 2^2238031961 is an apocalyptic number.

It is an amenable number.

2238031961 is a deficient number, since it is larger than the sum of its proper divisors (203457463).

2238031961 is a wasteful number, since it uses less digits than its factorization.

2238031961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203457462.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 2238031961 is about 47307.8424893801. The cubic root of 2238031961 is about 1308.0432221516.

The spelling of 2238031961 in words is "two billion, two hundred thirty-eight million, thirty-one thousand, nine hundred sixty-one".