21341141031 has 128 divisors (see below), whose sum is σ = 36911923200. Its totient is φ = 10688578560.

The previous prime is 21341141009. The next prime is 21341141039. The reversal of 21341141031 is 13014114312.

It is not a de Polignac number, because 21341141031 - 2¹¹ = 21341138983 is a prime.

It is a super-2 number, since 2×21341141031² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 21341140989 and 21341141007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21341141039) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 37506115 + ... + 37506683.

It is an arithmetic number, because the mean of its divisors is an integer number (288374400).

Almost surely, 2^21341141031 is an apocalyptic number.

21341141031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

21341141031 is a deficient number, since it is larger than the sum of its proper divisors (15570782169).

21341141031 is a wasteful number, since it uses less digits than its factorization.

21341141031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 21341141031 its reverse (13014114312), we get a palindrome (34355255343).

The spelling of 21341141031 in words is "twenty-one billion, three hundred forty-one million, one hundred forty-one thousand, thirty-one".