2300156381 has 4 divisors (see below), whose sum is σ = 2343555612. Its totient is φ = 2256757152.

The previous prime is 2300156371. The next prime is 2300156413. The reversal of 2300156381 is 1836510032.

2300156381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1751004025 + 549152356 = 41845^2 + 23434^2 .

It is a cyclic number.

It is not a de Polignac number, because 2300156381 - 2¹⁴ = 2300139997 is a prime.

It is a super-2 number, since 2×2300156381² = 10581438754110034322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2300156351) 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, 21699536 + ... + 21699641.

It is an arithmetic number, because the mean of its divisors is an integer number (585888903).

Almost surely, 2^2300156381 is an apocalyptic number.

It is an amenable number.

2300156381 is a deficient number, since it is larger than the sum of its proper divisors (43399231).

2300156381 is an equidigital number, since it uses as much as digits as its factorization.

2300156381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43399230.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 2300156381 is about 47959.9455900442. The cubic root of 2300156381 is about 1320.0360376219.

The spelling of 2300156381 in words is "two billion, three hundred million, one hundred fifty-six thousand, three hundred eighty-one".