62140031221 has 4 divisors (see below), whose sum is σ = 65410559200. Its totient is φ = 58869503244.

The previous prime is 62140031203. The next prime is 62140031249. The reversal of 62140031221 is 12213004126.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 62140031221 - 2²¹ = 62137934069 is a prime.

It is a super-2 number, since 2×62140031221² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 62140031192 and 62140031201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (62140031281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1635263961 + ... + 1635263998.

It is an arithmetic number, because the mean of its divisors is an integer number (16352639800).

Almost surely, 2^62140031221 is an apocalyptic number.

It is an amenable number.

62140031221 is a deficient number, since it is larger than the sum of its proper divisors (3270527979).

62140031221 is a wasteful number, since it uses less digits than its factorization.

62140031221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3270527978.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 62140031221 its reverse (12213004126), we get a palindrome (74353035347).

The spelling of 62140031221 in words is "sixty-two billion, one hundred forty million, thirty-one thousand, two hundred twenty-one".