131001132021 has 8 divisors (see below), whose sum is σ = 175677819360. Its totient is φ = 86829266352.

The previous prime is 131001132019. The next prime is 131001132029. The reversal of 131001132021 is 120231100131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131001132021 - 2¹ = 131001132019 is a prime.

It is a super-2 number, since 2×131001132021² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131001132029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126204811 + ... + 126205848.

It is an arithmetic number, because the mean of its divisors is an integer number (21959727420).

Almost surely, 2^131001132021 is an apocalyptic number.

It is an amenable number.

131001132021 is a deficient number, since it is larger than the sum of its proper divisors (44676687339).

131001132021 is a wasteful number, since it uses less digits than its factorization.

131001132021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252410835.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 131001132021 its reverse (120231100131), we get a palindrome (251232232152).

The spelling of 131001132021 in words is "one hundred thirty-one billion, one million, one hundred thirty-two thousand, twenty-one".