131010020 has 12 divisors (see below), whose sum is σ = 275121084. Its totient is φ = 52404000.

The previous prime is 131010013. The next prime is 131010037. The reversal of 131010020 is 20010131.

It can be written as a sum of positive squares in 2 ways, for example, as 31967716 + 99042304 = 5654^2 + 9952^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3275231 + ... + 3275270.

It is an arithmetic number, because the mean of its divisors is an integer number (22926757).

Almost surely, 2^131010020 is an apocalyptic number.

131010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131010020 is an abundant number, since it is smaller than the sum of its proper divisors (144111064).

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

131010020 is a wasteful number, since it uses less digits than its factorization.

131010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6550510 (or 6550508 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 131010020 is about 11445.9608596221. The cubic root of 131010020 is about 507.8882563650. Note that the first 3 decimals are identical.

Adding to 131010020 its reverse (20010131), we get a palindrome (151020151).

The spelling of 131010020 in words is "one hundred thirty-one million, ten thousand, twenty".