10312215541 has 2 divisors, whose sum is σ = 10312215542. Its totient is φ = 10312215540.

The previous prime is 10312215533. The next prime is 10312215587. The reversal of 10312215541 is 14551221301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10255815441 + 56400100 = 101271^2 + 7510^2 .

It is an emirp because it is prime and its reverse (14551221301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10312215541 - 2³ = 10312215533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10312215341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5156107770 + 5156107771.

It is an arithmetic number, because the mean of its divisors is an integer number (5156107771).

Almost surely, 2^10312215541 is an apocalyptic number.

It is an amenable number.

10312215541 is a deficient number, since it is larger than the sum of its proper divisors (1).

10312215541 is an equidigital number, since it uses as much as digits as its factorization.

10312215541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 10312215541 its reverse (14551221301), we get a palindrome (24863436842).

The spelling of 10312215541 in words is "ten billion, three hundred twelve million, two hundred fifteen thousand, five hundred forty-one".