31240043430098 has 8 divisors (see below), whose sum is σ = 46944194527692. Its totient is φ = 15591978587536.

The previous prime is 31240043430097. The next prime is 31240043430131. The reversal of 31240043430098 is 89003434004213.

It can be written as a sum of positive squares in 2 ways, for example, as 21905142565849 + 9334900864249 = 4680293^2 + 3055307^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×31240043430098³ (a number of 41 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31240043430097) 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 in 3 ways as a sum of consecutive naturals, for example, 14021562365 + ... + 14021564592.

Almost surely, 2^{31240043430098} is an apocalyptic number.

31240043430098 is a deficient number, since it is larger than the sum of its proper divisors (15704151097594).

31240043430098 is a wasteful number, since it uses less digits than its factorization.

31240043430098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28043127516.

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 31240043430098 in words is "thirty-one trillion, two hundred forty billion, forty-three million, four hundred thirty thousand, ninety-eight".