1302311231101 has 2 divisors, whose sum is σ = 1302311231102. Its totient is φ = 1302311231100.

The previous prime is 1302311231093. The next prime is 1302311231129. The reversal of 1302311231101 is 1011321132031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 952285174201 + 350026056900 = 975851^2 + 591630^2 .

It is a cyclic number.

It is not a de Polignac number, because 1302311231101 - 2³ = 1302311231093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1302311231131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651155615550 + 651155615551.

It is an arithmetic number, because the mean of its divisors is an integer number (651155615551).

Almost surely, 2^{1302311231101} is an apocalyptic number.

It is an amenable number.

1302311231101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302311231101 is an equidigital number, since it uses as much as digits as its factorization.

1302311231101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1302311231101 its reverse (1011321132031), we get a palindrome (2313632363132).

The spelling of 1302311231101 in words is "one trillion, three hundred two billion, three hundred eleven million, two hundred thirty-one thousand, one hundred one".