131049477 has 12 divisors (see below), whose sum is σ = 203854924. Its totient is φ = 80645760.

The previous prime is 131049473. The next prime is 131049487. The reversal of 131049477 is 774940131.

It can be written as a sum of positive squares in 2 ways, for example, as 80838081 + 50211396 = 8991^2 + 7086^2 .

It is not a de Polignac number, because 131049477 - 2² = 131049473 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131049473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 559924 + ... + 560157.

Almost surely, 2^131049477 is an apocalyptic number.

It is an amenable number.

131049477 is a deficient number, since it is larger than the sum of its proper divisors (72805447).

131049477 is a wasteful number, since it uses less digits than its factorization.

131049477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120100 (or 1120097 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 131049477 is about 11447.6843509943. The cubic root of 131049477 is about 507.9392390696.

The spelling of 131049477 in words is "one hundred thirty-one million, forty-nine thousand, four hundred seventy-seven".