469139031 has 24 divisors (see below), whose sum is σ = 693813120. Its totient is φ = 305370000.

The previous prime is 469139009. The next prime is 469139059. The reversal of 469139031 is 130931964.

It is not a de Polignac number, because 469139031 - 2²⁵ = 435584599 is a prime.

It is a super-2 number, since 2×469139031² = 440182860815237922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (469139071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77256 + ... + 83106.

It is an arithmetic number, because the mean of its divisors is an integer number (28908880).

Almost surely, 2^469139031 is an apocalyptic number.

469139031 is a deficient number, since it is larger than the sum of its proper divisors (224674089).

469139031 is a wasteful number, since it uses less digits than its factorization.

469139031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6067 (or 6064 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 469139031 is about 21659.6175173986. The cubic root of 469139031 is about 777.0229665796.

The spelling of 469139031 in words is "four hundred sixty-nine million, one hundred thirty-nine thousand, thirty-one".