1230525031 has 2 divisors, whose sum is σ = 1230525032. Its totient is φ = 1230525030.

The previous prime is 1230525029. The next prime is 1230525073. The reversal of 1230525031 is 1305250321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1230525031 - 2¹ = 1230525029 is a prime.

It is a super-2 number, since 2×1230525031² = 3028383703835101922, which contains 22 as substring.

Together with 1230525029, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1230524993 and 1230525011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230525431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615262515 + 615262516.

It is an arithmetic number, because the mean of its divisors is an integer number (615262516).

Almost surely, 2^1230525031 is an apocalyptic number.

1230525031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230525031 is an equidigital number, since it uses as much as digits as its factorization.

1230525031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 1230525031 is about 35078.8402174302. The cubic root of 1230525031 is about 1071.5936978369.

Adding to 1230525031 its reverse (1305250321), we get a palindrome (2535775352).

It can be divided in two parts, 1 and 230525031, that added together give a palindrome (230525032).

The spelling of 1230525031 in words is "one billion, two hundred thirty million, five hundred twenty-five thousand, thirty-one".