130231133431 has 32 divisors (see below), whose sum is σ = 159268032000. Its totient is φ = 104109328512.

The previous prime is 130231133407. The next prime is 130231133447. The reversal of 130231133431 is 134331132031.

It is not a de Polignac number, because 130231133431 - 2¹¹ = 130231131383 is a prime.

It is a super-4 number, since 4×130231133431⁴ (a number of 46 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 130231133396 and 130231133405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130231133831) 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, 981660 + ... + 1106398.

It is an arithmetic number, because the mean of its divisors is an integer number (4977126000).

Almost surely, 2^130231133431 is an apocalyptic number.

130231133431 is a deficient number, since it is larger than the sum of its proper divisors (29036898569).

130231133431 is a wasteful number, since it uses less digits than its factorization.

130231133431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124951.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 130231133431 its reverse (134331132031), we get a palindrome (264562265462).

The spelling of 130231133431 in words is "one hundred thirty billion, two hundred thirty-one million, one hundred thirty-three thousand, four hundred thirty-one".