31141124321 has 8 divisors (see below), whose sum is σ = 32499169920. Its totient is φ = 29783419072.

The previous prime is 31141124303. The next prime is 31141124347. The reversal of 31141124321 is 12342114113.

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

It is not a de Polignac number, because 31141124321 - 2²² = 31136930017 is a prime.

It is a super-2 number, since 2×31141124321² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31141124381) 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, 111596 + ... + 273378.

It is an arithmetic number, because the mean of its divisors is an integer number (4062396240).

Almost surely, 2^31141124321 is an apocalyptic number.

It is an amenable number.

31141124321 is a deficient number, since it is larger than the sum of its proper divisors (1358045599).

31141124321 is a wasteful number, since it uses less digits than its factorization.

31141124321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170175.

The product of its digits is 576, while the sum is 23.

Adding to 31141124321 its reverse (12342114113), we get a palindrome (43483238434).

The spelling of 31141124321 in words is "thirty-one billion, one hundred forty-one million, one hundred twenty-four thousand, three hundred twenty-one".