234011631 has 8 divisors (see below), whose sum is σ = 356589184. Its totient is φ = 133720920.

The previous prime is 234011629. The next prime is 234011651. The reversal of 234011631 is 136110432.

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

It is not a de Polignac number, because 234011631 - 2¹ = 234011629 is a prime.

It is a super-2 number, since 2×234011631² = 109522886886560322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 11143411 = 234011631 / (2 + 3 + 4 + 0 + 1 + 1 + 6 + 3 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 234011598 and 234011607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234011651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5571685 + ... + 5571726.

It is an arithmetic number, because the mean of its divisors is an integer number (44573648).

Almost surely, 2^234011631 is an apocalyptic number.

234011631 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

234011631 is a deficient number, since it is larger than the sum of its proper divisors (122577553).

234011631 is a wasteful number, since it uses less digits than its factorization.

234011631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11143421.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 234011631 is about 15297.4387071823. The cubic root of 234011631 is about 616.2342244370.

The spelling of 234011631 in words is "two hundred thirty-four million, eleven thousand, six hundred thirty-one".