11301421631 has 2 divisors, whose sum is σ = 11301421632. Its totient is φ = 11301421630.

The previous prime is 11301421601. The next prime is 11301421661. The reversal of 11301421631 is 13612410311.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (11301421601) and next prime (11301421661).

It is a cyclic number.

It is not a de Polignac number, because 11301421631 - 2⁶ = 11301421567 is a prime.

It is a super-2 number, since 2×11301421631² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11301421597 and 11301421606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11301421601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5650710815 + 5650710816.

It is an arithmetic number, because the mean of its divisors is an integer number (5650710816).

Almost surely, 2^11301421631 is an apocalyptic number.

11301421631 is a deficient number, since it is larger than the sum of its proper divisors (1).

11301421631 is an equidigital number, since it uses as much as digits as its factorization.

11301421631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 11301421631 its reverse (13612410311), we get a palindrome (24913831942).

The spelling of 11301421631 in words is "eleven billion, three hundred one million, four hundred twenty-one thousand, six hundred thirty-one".