131000213331 has 16 divisors (see below), whose sum is σ = 209003189920. Its totient is φ = 80615515680.

The previous prime is 131000213321. The next prime is 131000213353. The reversal of 131000213331 is 133312000131.

It is a happy number.

131000213331 is a `hidden beast` number, since 1 + 310 + 0 + 0 + 21 + 3 + 331 = 666.

It is not a de Polignac number, because 131000213331 - 2¹⁴ = 131000196947 is a prime.

It is a super-2 number, since 2×131000213331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131000213321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186609640 + ... + 186610341.

It is an arithmetic number, because the mean of its divisors is an integer number (13062699370).

Almost surely, 2^131000213331 is an apocalyptic number.

131000213331 is a deficient number, since it is larger than the sum of its proper divisors (78002976589).

131000213331 is a wasteful number, since it uses less digits than its factorization.

131000213331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373220003 (or 373219997 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 131000213331 its reverse (133312000131), we get a palindrome (264312213462).

The spelling of 131000213331 in words is "one hundred thirty-one billion, two hundred thirteen thousand, three hundred thirty-one".