256303460031 has 16 divisors (see below), whose sum is σ = 357423528960. Its totient is φ = 163060657760.

The previous prime is 256303460027. The next prime is 256303460089. The reversal of 256303460031 is 130064303652.

It is a cyclic number.

It is not a de Polignac number, because 256303460031 - 2² = 256303460027 is a prime.

It is a super-2 number, since 2×256303460031² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 256303459974 and 256303460001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256303460131) 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, 4279476 + ... + 4338953.

It is an arithmetic number, because the mean of its divisors is an integer number (22338970560).

Almost surely, 2^256303460031 is an apocalyptic number.

256303460031 is a deficient number, since it is larger than the sum of its proper divisors (101120068929).

256303460031 is a wasteful number, since it uses less digits than its factorization.

256303460031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8618886.

The product of its (nonzero) digits is 38880, while the sum is 33.

Adding to 256303460031 its reverse (130064303652), we get a palindrome (386367763683).

The spelling of 256303460031 in words is "two hundred fifty-six billion, three hundred three million, four hundred sixty thousand, thirty-one".