31453241189 has 2 divisors, whose sum is σ = 31453241190. Its totient is φ = 31453241188.

The previous prime is 31453241107. The next prime is 31453241201. The reversal of 31453241189 is 98114235413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31337850625 + 115390564 = 177025^2 + 10742^2 .

It is a cyclic number.

It is not a de Polignac number, because 31453241189 - 2¹⁶ = 31453175653 is a prime.

It is a super-2 number, since 2×31453241189² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31453244189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15726620594 + 15726620595.

It is an arithmetic number, because the mean of its divisors is an integer number (15726620595).

Almost surely, 2^31453241189 is an apocalyptic number.

It is an amenable number.

31453241189 is a deficient number, since it is larger than the sum of its proper divisors (1).

31453241189 is an equidigital number, since it uses as much as digits as its factorization.

31453241189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 41.

The spelling of 31453241189 in words is "thirty-one billion, four hundred fifty-three million, two hundred forty-one thousand, one hundred eighty-nine".