31004114421 has 12 divisors (see below), whose sum is σ = 48088014432. Its totient is φ = 17716636728.

The previous prime is 31004114419. The next prime is 31004114467. The reversal of 31004114421 is 12441140013.

It is not a de Polignac number, because 31004114421 - 2¹ = 31004114419 is a prime.

It is a super-2 number, since 2×31004114421² (a number of 22 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31004114821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105456025 + ... + 105456318.

It is an arithmetic number, because the mean of its divisors is an integer number (4007334536).

Almost surely, 2^31004114421 is an apocalyptic number.

It is an amenable number.

31004114421 is a deficient number, since it is larger than the sum of its proper divisors (17083900011).

31004114421 is a wasteful number, since it uses less digits than its factorization.

31004114421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210912360 (or 210912353 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 31004114421 its reverse (12441140013), we get a palindrome (43445254434).

The spelling of 31004114421 in words is "thirty-one billion, four million, one hundred fourteen thousand, four hundred twenty-one".