131001100024340 has 96 divisors (see below), whose sum is σ = 342873376097280. Its totient is φ = 40934882566656.

The previous prime is 131001100024309. The next prime is 131001100024343. The reversal of 131001100024340 is 43420001100131.

It is a super-2 number, since 2×131001100024340² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131001100024343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 455417147 + ... + 455704706.

It is an arithmetic number, because the mean of its divisors is an integer number (3571597667680).

Almost surely, 2^{131001100024340} is an apocalyptic number.

131001100024340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131001100024340 is an abundant number, since it is smaller than the sum of its proper divisors (211872276072940).

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

131001100024340 is a wasteful number, since it uses less digits than its factorization.

131001100024340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911121961 (or 911121959 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 131001100024340 its reverse (43420001100131), we get a palindrome (174421101124471).

The spelling of 131001100024340 in words is "one hundred thirty-one trillion, one billion, one hundred million, twenty-four thousand, three hundred forty".