131001941828 has 6 divisors (see below), whose sum is σ = 229253398206. Its totient is φ = 65500970912.

The previous prime is 131001941827. The next prime is 131001941857. The reversal of 131001941828 is 828149100131.

It can be written as a sum of positive squares in only one way, i.e., 130926738244 + 75203584 = 361838^2 + 8672^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131001941791 and 131001941800.

It is not an unprimeable number, because it can be changed into a prime (131001941827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16375242725 + ... + 16375242732.

It is an arithmetic number, because the mean of its divisors is an integer number (38208899701).

Almost surely, 2^131001941828 is an apocalyptic number.

It is an amenable number.

131001941828 is a deficient number, since it is larger than the sum of its proper divisors (98251456378).

131001941828 is a wasteful number, since it uses less digits than its factorization.

131001941828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32750485461 (or 32750485459 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 38.

The spelling of 131001941828 in words is "one hundred thirty-one billion, one million, nine hundred forty-one thousand, eight hundred twenty-eight".