32261271381 has 20 divisors (see below), whose sum is σ = 48660666912. Its totient is φ = 21298697928.

The previous prime is 32261271373. The next prime is 32261271397. The reversal of 32261271381 is 18317216223.

32261271381 is a `hidden beast` number, since 3 + 2 + 2 + 6 + 1 + 271 + 381 = 666.

It is not a de Polignac number, because 32261271381 - 2³ = 32261271373 is a prime.

It is a super-2 number, since 2×32261271381² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32261271181) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1925091 + ... + 1941776.

Almost surely, 2^32261271381 is an apocalyptic number.

It is an amenable number.

32261271381 is a deficient number, since it is larger than the sum of its proper divisors (16399395531).

32261271381 is a wasteful number, since it uses less digits than its factorization.

32261271381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3866982 (or 3866973 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The spelling of 32261271381 in words is "thirty-two billion, two hundred sixty-one million, two hundred seventy-one thousand, three hundred eighty-one".