131563493212 has 24 divisors (see below), whose sum is σ = 239237046272. Its totient is φ = 63238158000.

The previous prime is 131563493183. The next prime is 131563493287. The reversal of 131563493212 is 212394365131.

It is a super-2 number, since 2×131563493212² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3494508 + ... + 3531955.

Almost surely, 2^131563493212 is an apocalyptic number.

It is an amenable number.

131563493212 is a deficient number, since it is larger than the sum of its proper divisors (107673553060).

131563493212 is a wasteful number, since it uses less digits than its factorization.

131563493212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7026649 (or 7026647 counting only the distinct ones).

The product of its digits is 116640, while the sum is 40.

The spelling of 131563493212 in words is "one hundred thirty-one billion, five hundred sixty-three million, four hundred ninety-three thousand, two hundred twelve".