31004533201 has 2 divisors, whose sum is σ = 31004533202. Its totient is φ = 31004533200.

The previous prime is 31004533151. The next prime is 31004533213. The reversal of 31004533201 is 10233540013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21793140625 + 9211392576 = 147625^2 + 95976^2 .

It is a cyclic number.

It is not a de Polignac number, because 31004533201 - 2⁷ = 31004533073 is a prime.

It is a super-2 number, since 2×31004533201² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31004533291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15502266600 + 15502266601.

It is an arithmetic number, because the mean of its divisors is an integer number (15502266601).

Almost surely, 2^31004533201 is an apocalyptic number.

It is an amenable number.

31004533201 is a deficient number, since it is larger than the sum of its proper divisors (1).

31004533201 is an equidigital number, since it uses as much as digits as its factorization.

31004533201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 22.

The spelling of 31004533201 in words is "thirty-one billion, four million, five hundred thirty-three thousand, two hundred one".