131020212320 has 48 divisors (see below), whose sum is σ = 309557868480. Its totient is φ = 52404255744.

The previous prime is 131020212289. The next prime is 131020212329. The reversal of 131020212320 is 23212020131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131020212329) 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, 3371561 + ... + 3410199.

It is an arithmetic number, because the mean of its divisors is an integer number (6449122260).

Almost surely, 2^131020212320 is an apocalyptic number.

131020212320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131020212320 is an abundant number, since it is smaller than the sum of its proper divisors (178537656160).

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

131020212320 is a wasteful number, since it uses less digits than its factorization.

131020212320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59847 (or 59839 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 131020212320 its reverse (23212020131), we get a palindrome (154232232451).

The spelling of 131020212320 in words is "one hundred thirty-one billion, twenty million, two hundred twelve thousand, three hundred twenty".