131103020212 has 6 divisors (see below), whose sum is σ = 229430285378. Its totient is φ = 65551510104.

The previous prime is 131103020207. The next prime is 131103020231. The reversal of 131103020212 is 212020301131.

It can be written as a sum of positive squares in only one way, i.e., 92607010596 + 38496009616 = 304314^2 + 196204^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16387877523 + ... + 16387877530.

Almost surely, 2^131103020212 is an apocalyptic number.

It is an amenable number.

131103020212 is a deficient number, since it is larger than the sum of its proper divisors (98327265166).

131103020212 is a wasteful number, since it uses less digits than its factorization.

131103020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32775755057 (or 32775755055 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 131103020212 its reverse (212020301131), we get a palindrome (343123321343).

The spelling of 131103020212 in words is "one hundred thirty-one billion, one hundred three million, twenty thousand, two hundred twelve".