264870031 has 2 divisors, whose sum is σ = 264870032. Its totient is φ = 264870030.

The previous prime is 264870029. The next prime is 264870037. The reversal of 264870031 is 130078462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 264870031 - 2¹ = 264870029 is a prime.

It is a super-2 number, since 2×264870031² = 140312266643881922, which contains 22 as substring.

Together with 264870029, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 264869975 and 264870002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264870037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132435015 + 132435016.

It is an arithmetic number, because the mean of its divisors is an integer number (132435016).

Almost surely, 2^264870031 is an apocalyptic number.

264870031 is a deficient number, since it is larger than the sum of its proper divisors (1).

264870031 is an equidigital number, since it uses as much as digits as its factorization.

264870031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 264870031 is about 16274.8281404136. The cubic root of 264870031 is about 642.2108039538.

The spelling of 264870031 in words is "two hundred sixty-four million, eight hundred seventy thousand, thirty-one".