116831429 has 36 divisors (see below), whose sum is σ = 147481572. Its totient is φ = 91914240.

The previous prime is 116831419. The next prime is 116831483. The reversal of 116831429 is 924138611.

It can be written as a sum of positive squares in 6 ways, for example, as 20340100 + 96491329 = 4510^2 + 9823^2 .

It is not a de Polignac number, because 116831429 - 2¹⁶ = 116765893 is a prime.

It is a super-4 number, since 4×116831429⁴ (a number of 33 digits) contains 4444 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116831419) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 454469 + ... + 454725.

Almost surely, 2^116831429 is an apocalyptic number.

It is an amenable number.

116831429 is a deficient number, since it is larger than the sum of its proper divisors (30650143).

116831429 is a wasteful number, since it uses less digits than its factorization.

116831429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 298 counting only the distinct ones).

The product of its digits is 10368, while the sum is 35.

The square root of 116831429 is about 10808.8588204306. The cubic root of 116831429 is about 488.8623182319.

The spelling of 116831429 in words is "one hundred sixteen million, eight hundred thirty-one thousand, four hundred twenty-nine".