1230331001 has 2 divisors, whose sum is σ = 1230331002. Its totient is φ = 1230331000.

The previous prime is 1230330991. The next prime is 1230331027. The reversal of 1230331001 is 1001330321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 828288400 + 402042601 = 28780^2 + 20051^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230331001 - 2²² = 1226136697 is a prime.

It is not a weakly prime, because it can be changed into another prime (1230333001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615165500 + 615165501.

It is an arithmetic number, because the mean of its divisors is an integer number (615165501).

Almost surely, 2^1230331001 is an apocalyptic number.

It is an amenable number.

1230331001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230331001 is an equidigital number, since it uses as much as digits as its factorization.

1230331001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1230331001 is about 35076.0744810476. The cubic root of 1230331001 is about 1071.5373716755.

Adding to 1230331001 its reverse (1001330321), we get a palindrome (2231661322).

The spelling of 1230331001 in words is "one billion, two hundred thirty million, three hundred thirty-one thousand, one".