2141931 has 16 divisors (see below), whose sum is σ = 3184128. Its totient is φ = 1269600.

The previous prime is 2141929. The next prime is 2141941. The reversal of 2141931 is 1391412.

It is not a de Polignac number, because 2141931 - 2¹ = 2141929 is a prime.

It is a super-2 number, since 2×2141931² = 9175736817522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2141898 and 2141907.

It is not an unprimeable number, because it can be changed into a prime (2141941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 861 + ... + 2241.

It is an arithmetic number, because the mean of its divisors is an integer number (199008).

2^2141931 is an apocalyptic number.

2141931 is a deficient number, since it is larger than the sum of its proper divisors (1042197).

2141931 is a wasteful number, since it uses less digits than its factorization.

2141931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442.

The product of its digits is 216, while the sum is 21.

The square root of 2141931 is about 1463.5337372264. The cubic root of 2141931 is about 128.9046227269.

It can be divided in two parts, 214 and 1931, that added together give a triangular number (2145 = T₆₅).

The spelling of 2141931 in words is "two million, one hundred forty-one thousand, nine hundred thirty-one".