101324231540 has 36 divisors (see below), whose sum is σ = 247520625156. Its totient is φ = 34739736192.

The previous prime is 101324231537. The next prime is 101324231557. The reversal of 101324231540 is 45132423101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15167892964 + 86156338576 = 123158^2 + 293524^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51695057 + ... + 51697016.

It is an arithmetic number, because the mean of its divisors is an integer number (6875572921).

Almost surely, 2^101324231540 is an apocalyptic number.

101324231540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101324231540 is an abundant number, since it is smaller than the sum of its proper divisors (146196393616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101324231540 is a wasteful number, since it uses less digits than its factorization.

101324231540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103392096 (or 103392087 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 101324231540 its reverse (45132423101), we get a palindrome (146456654641).

The spelling of 101324231540 in words is "one hundred one billion, three hundred twenty-four million, two hundred thirty-one thousand, five hundred forty".