3161401125 has 32 divisors (see below), whose sum is σ = 5270633472. Its totient is φ = 1682856000.

The previous prime is 3161401057. The next prime is 3161401163. The reversal of 3161401125 is 5211041613.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-3161401125 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3161401095 and 3161401104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195084 + ... + 210666.

It is an arithmetic number, because the mean of its divisors is an integer number (164707296).

Almost surely, 2^3161401125 is an apocalyptic number.

It is an amenable number.

3161401125 is a deficient number, since it is larger than the sum of its proper divisors (2109232347).

3161401125 is a wasteful number, since it uses less digits than its factorization.

3161401125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16142 (or 16132 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 3161401125 is about 56226.3383566812. The cubic root of 3161401125 is about 1467.6636378948.

Adding to 3161401125 its reverse (5211041613), we get a palindrome (8372442738).

The spelling of 3161401125 in words is "three billion, one hundred sixty-one million, four hundred one thousand, one hundred twenty-five".