130031231 has 8 divisors (see below), whose sum is σ = 149318400. Its totient is φ = 111988440.

The previous prime is 130031197. The next prime is 130031233. The reversal of 130031231 is 132130031.

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

It is a cyclic number.

It is not a de Polignac number, because 130031231 - 2²⁶ = 62922367 is a prime.

It is a super-2 number, since 2×130031231² = 33816242070750722, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130031233) 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, 310871 + ... + 311288.

It is an arithmetic number, because the mean of its divisors is an integer number (18664800).

Almost surely, 2^130031231 is an apocalyptic number.

130031231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

130031231 is a deficient number, since it is larger than the sum of its proper divisors (19287169).

130031231 is a wasteful number, since it uses less digits than its factorization.

130031231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622189.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 130031231 is about 11403.1237386955. The cubic root of 130031231 is about 506.6202653047.

Adding to 130031231 its reverse (132130031), we get a palindrome (262161262).

The spelling of 130031231 in words is "one hundred thirty million, thirty-one thousand, two hundred thirty-one".