31000201093 has 2 divisors, whose sum is σ = 31000201094. Its totient is φ = 31000201092.

The previous prime is 31000201091. The next prime is 31000201151. The reversal of 31000201093 is 39010200013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28391239009 + 2608962084 = 168497^2 + 51078^2 .

It is a cyclic number.

It is not a de Polignac number, because 31000201093 - 2¹ = 31000201091 is a prime.

It is a super-2 number, since 2×31000201093² (a number of 22 digits) contains 22 as substring.

Together with 31000201091, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 31000201093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31000201091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15500100546 + 15500100547.

It is an arithmetic number, because the mean of its divisors is an integer number (15500100547).

Almost surely, 2^31000201093 is an apocalyptic number.

It is an amenable number.

31000201093 is a deficient number, since it is larger than the sum of its proper divisors (1).

31000201093 is an equidigital number, since it uses as much as digits as its factorization.

31000201093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 19.

The spelling of 31000201093 in words is "thirty-one billion, two hundred one thousand, ninety-three".