2051732931 has 16 divisors (see below), whose sum is σ = 2770238880. Its totient is φ = 1350567680.

The previous prime is 2051732927. The next prime is 2051732933. The reversal of 2051732931 is 1392371502.

It is a cyclic number.

It is not a de Polignac number, because 2051732931 - 2² = 2051732927 is a prime.

It is a super-2 number, since 2×2051732931² = 8419216040299701522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2051732892 and 2051732901.

It is not an unprimeable number, because it can be changed into a prime (2051732933) 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, 201421 + ... + 211361.

It is an arithmetic number, because the mean of its divisors is an integer number (173139930).

Almost surely, 2^2051732931 is an apocalyptic number.

2051732931 is a deficient number, since it is larger than the sum of its proper divisors (718505949).

2051732931 is an equidigital number, since it uses as much as digits as its factorization.

2051732931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10806.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 2051732931 is about 45296.0586696017. The cubic root of 2051732931 is about 1270.6919433929.

The spelling of 2051732931 in words is "two billion, fifty-one million, seven hundred thirty-two thousand, nine hundred thirty-one".