1231100053 has 2 divisors, whose sum is σ = 1231100054. Its totient is φ = 1231100052.

The previous prime is 1231100029. The next prime is 1231100063. The reversal of 1231100053 is 3500011321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1177999684 + 53100369 = 34322^2 + 7287^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1231100053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1231100023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615550026 + 615550027.

It is an arithmetic number, because the mean of its divisors is an integer number (615550027).

Almost surely, 2^1231100053 is an apocalyptic number.

It is an amenable number.

1231100053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231100053 is an equidigital number, since it uses as much as digits as its factorization.

1231100053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 1231100053 is about 35087.0353977078. The cubic root of 1231100053 is about 1071.7605897406.

Adding to 1231100053 its reverse (3500011321), we get a palindrome (4731111374).

The spelling of 1231100053 in words is "one billion, two hundred thirty-one million, one hundred thousand, fifty-three".