2261607731 has 2 divisors, whose sum is σ = 2261607732. Its totient is φ = 2261607730.

The previous prime is 2261607727. The next prime is 2261607739. The reversal of 2261607731 is 1377061622.

2261607731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2261607731 - 2² = 2261607727 is a prime.

It is a super-2 number, since 2×2261607731² = 10229739057837936722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2261607691 and 2261607700.

It is not a weakly prime, because it can be changed into another prime (2261607739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1130803865 + 1130803866.

It is an arithmetic number, because the mean of its divisors is an integer number (1130803866).

Almost surely, 2^2261607731 is an apocalyptic number.

2261607731 is a deficient number, since it is larger than the sum of its proper divisors (1).

2261607731 is an equidigital number, since it uses as much as digits as its factorization.

2261607731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 2261607731 is about 47556.3637276863. The cubic root of 2261607731 is about 1312.6202302076.

The spelling of 2261607731 in words is "two billion, two hundred sixty-one million, six hundred seven thousand, seven hundred thirty-one".