101031240512 has 28 divisors (see below), whose sum is σ = 202468869636. Its totient is φ = 50015462400.

The previous prime is 101031240493. The next prime is 101031240517. The reversal of 101031240512 is 215042130101.

It can be written as a sum of positive squares in 2 ways, for example, as 90009600256 + 11021640256 = 300016^2 + 104984^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101031240517) 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, 7808453 + ... + 7821380.

Almost surely, 2^101031240512 is an apocalyptic number.

It is an amenable number.

101031240512 is an abundant number, since it is smaller than the sum of its proper divisors (101437629124).

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

101031240512 is a wasteful number, since it uses less digits than its factorization.

101031240512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15629946 (or 15629936 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 101031240512 its reverse (215042130101), we get a palindrome (316073370613).

The spelling of 101031240512 in words is "one hundred one billion, thirty-one million, two hundred forty thousand, five hundred twelve".