1363212123631 has 2 divisors, whose sum is σ = 1363212123632. Its totient is φ = 1363212123630.

The previous prime is 1363212123619. The next prime is 1363212123649.

1363212123631 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1363212123631 is a prime.

It is a super-2 number, since 2×1363212123631² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1363212123131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 681606061815 + 681606061816.

It is an arithmetic number, because the mean of its divisors is an integer number (681606061816).

Almost surely, 2^{1363212123631} is an apocalyptic number.

1363212123631 is a deficient number, since it is larger than the sum of its proper divisors (1).

1363212123631 is an equidigital number, since it uses as much as digits as its factorization.

1363212123631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 34.

The spelling of 1363212123631 in words is "one trillion, three hundred sixty-three billion, two hundred twelve million, one hundred twenty-three thousand, six hundred thirty-one".