2071731901 has 2 divisors, whose sum is σ = 2071731902. Its totient is φ = 2071731900.

The previous prime is 2071731889. The next prime is 2071731913. The reversal of 2071731901 is 1091371702.

It is a balanced prime because it is at equal distance from previous prime (2071731889) and next prime (2071731913).

It can be written as a sum of positive squares in only one way, i.e., 2020952025 + 50779876 = 44955^2 + 7126^2 .

It is a cyclic number.

It is not a de Polignac number, because 2071731901 - 2⁷ = 2071731773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2071731931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1035865950 + 1035865951.

It is an arithmetic number, because the mean of its divisors is an integer number (1035865951).

Almost surely, 2^2071731901 is an apocalyptic number.

2071731901 is the 20356-th centered decagonal number.

It is an amenable number.

2071731901 is a deficient number, since it is larger than the sum of its proper divisors (1).

2071731901 is an equidigital number, since it uses as much as digits as its factorization.

2071731901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2646, while the sum is 31.

The square root of 2071731901 is about 45516.2817132507. The cubic root of 2071731901 is about 1274.8072298078.

The spelling of 2071731901 in words is "two billion, seventy-one million, seven hundred thirty-one thousand, nine hundred one".