1601842131 has 12 divisors (see below), whose sum is σ = 2314123552. Its totient is φ = 1067732496.

The previous prime is 1601842117. The next prime is 1601842133. The reversal of 1601842131 is 1312481061.

It is a happy number.

1601842131 is a `hidden beast` number, since 1 + 601 + 8 + 4 + 21 + 31 = 666.

It is not a de Polignac number, because 1601842131 - 2¹³ = 1601833939 is a prime.

It is a super-2 number, since 2×1601842131² = 5131796425293242322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1601842095 and 1601842104.

It is not an unprimeable number, because it can be changed into a prime (1601842133) 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, 93990 + ... + 109716.

Almost surely, 2^1601842131 is an apocalyptic number.

1601842131 is a deficient number, since it is larger than the sum of its proper divisors (712281421).

1601842131 is a wasteful number, since it uses less digits than its factorization.

1601842131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27050 (or 27047 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1601842131 is about 40023.0200134872. The cubic root of 1601842131 is about 1170.0557917730.

The spelling of 1601842131 in words is "one billion, six hundred one million, eight hundred forty-two thousand, one hundred thirty-one".