33998116431 has 32 divisors (see below), whose sum is σ = 48928654080. Its totient is φ = 20933337600.

The previous prime is 33998116429. The next prime is 33998116457. The reversal of 33998116431 is 13461189933.

It is not a de Polignac number, because 33998116431 - 2¹ = 33998116429 is a prime.

It is a super-2 number, since 2×33998116431² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33998116231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 349636 + ... + 436166.

It is an arithmetic number, because the mean of its divisors is an integer number (1529020440).

Almost surely, 2^33998116431 is an apocalyptic number.

33998116431 is a deficient number, since it is larger than the sum of its proper divisors (14930537649).

33998116431 is a wasteful number, since it uses less digits than its factorization.

33998116431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86727.

The product of its digits is 419904, while the sum is 48.

The spelling of 33998116431 in words is "thirty-three billion, nine hundred ninety-eight million, one hundred sixteen thousand, four hundred thirty-one".