10231380545 has 4 divisors (see below), whose sum is σ = 12277656660. Its totient is φ = 8185104432.

The previous prime is 10231380541. The next prime is 10231380557. The reversal of 10231380545 is 54508313201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3223514176 + 7007866369 = 56776^2 + 83713^2 .

It is a cyclic number.

It is not a de Polignac number, because 10231380545 - 2² = 10231380541 is a prime.

It is a super-2 number, since 2×10231380545² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10231380541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1023138050 + ... + 1023138059.

It is an arithmetic number, because the mean of its divisors is an integer number (3069414165).

Almost surely, 2^10231380545 is an apocalyptic number.

It is an amenable number.

10231380545 is a deficient number, since it is larger than the sum of its proper divisors (2046276115).

10231380545 is an equidigital number, since it uses as much as digits as its factorization.

10231380545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046276114.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 10231380545 its reverse (54508313201), we get a palindrome (64739693746).

The spelling of 10231380545 in words is "ten billion, two hundred thirty-one million, three hundred eighty thousand, five hundred forty-five".