100031513244240 has 80 divisors (see below), whose sum is σ = 312841918496448. Its totient is φ = 26439007623168.

The previous prime is 100031513244217. The next prime is 100031513244281. The reversal of 100031513244240 is 42442315130001.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 100031513244198 and 100031513244207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1844211694 + ... + 1844265933.

Almost surely, 2^{100031513244240} is an apocalyptic number.

100031513244240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100031513244240 is an abundant number, since it is smaller than the sum of its proper divisors (212810405252208).

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

100031513244240 is a wasteful number, since it uses less digits than its factorization.

100031513244240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3688477756 (or 3688477750 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 100031513244240 its reverse (42442315130001), we get a palindrome (142473828374241).

The spelling of 100031513244240 in words is "one hundred trillion, thirty-one billion, five hundred thirteen million, two hundred forty-four thousand, two hundred forty".