2131925319 has 32 divisors (see below), whose sum is σ = 3182000640. Its totient is φ = 1410716736.

The previous prime is 2131925317. The next prime is 2131925321. The reversal of 2131925319 is 9135291312.

2131925319 is a `hidden beast` number, since 2 + 1 + 31 + 92 + 531 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (2131925317) and next prime (2131925321).

It is not a de Polignac number, because 2131925319 - 2¹ = 2131925317 is a prime.

It is a super-2 number, since 2×2131925319² = 9090211131586503522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131925317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2932134 + ... + 2932860.

It is an arithmetic number, because the mean of its divisors is an integer number (99437520).

Almost surely, 2^2131925319 is an apocalyptic number.

2131925319 is a deficient number, since it is larger than the sum of its proper divisors (1050075321).

2131925319 is a wasteful number, since it uses less digits than its factorization.

2131925319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396 (or 1390 counting only the distinct ones).

The product of its digits is 14580, while the sum is 36.

The square root of 2131925319 is about 46172.7768170813. The cubic root of 2131925319 is about 1287.0359040413.

The spelling of 2131925319 in words is "two billion, one hundred thirty-one million, nine hundred twenty-five thousand, three hundred nineteen".