253230435130 has 16 divisors (see below), whose sum is σ = 471532534920. Its totient is φ = 97799340352.

The previous prime is 253230435113. The next prime is 253230435197. The reversal of 253230435130 is 31534032352.

It can be written as a sum of positive squares in 4 ways, for example, as 145620849609 + 107609585521 = 381603^2 + 328039^2 .

It is a super-2 number, since 2×253230435130² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 253230435092 and 253230435101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436603909 + ... + 436604488.

Almost surely, 2^253230435130 is an apocalyptic number.

253230435130 is a deficient number, since it is larger than the sum of its proper divisors (218302099790).

253230435130 is a wasteful number, since it uses less digits than its factorization.

253230435130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873208433.

The product of its (nonzero) digits is 32400, while the sum is 31.

Adding to 253230435130 its reverse (31534032352), we get a palindrome (284764467482).

The spelling of 253230435130 in words is "two hundred fifty-three billion, two hundred thirty million, four hundred thirty-five thousand, one hundred thirty".