21214035601031 has 8 divisors (see below), whose sum is σ = 26109582278304. Its totient is φ = 16784731464480.

The previous prime is 21214035601021. The next prime is 21214035601069. The reversal of 21214035601031 is 13010653041212.

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

It is not a de Polignac number, because 21214035601031 - 2¹⁰ = 21214035600007 is a prime.

It is a super-2 number, since 2×21214035601031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21214035600985 and 21214035601003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21214035601021) 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, 116560635080 + ... + 116560635261.

It is an arithmetic number, because the mean of its divisors is an integer number (3263697784788).

Almost surely, 2^{21214035601031} is an apocalyptic number.

21214035601031 is a deficient number, since it is larger than the sum of its proper divisors (4895546677273).

21214035601031 is a wasteful number, since it uses less digits than its factorization.

21214035601031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233121270361.

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 21214035601031 its reverse (13010653041212), we get a palindrome (34224688642243).

The spelling of 21214035601031 in words is "twenty-one trillion, two hundred fourteen billion, thirty-five million, six hundred one thousand, thirty-one".