21031431041114 has 32 divisors (see below), whose sum is σ = 34024777678080. Its totient is φ = 9692266537152.

The previous prime is 21031431041087. The next prime is 21031431041129. The reversal of 21031431041114 is 41114013413012.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188622809 + ... + 188734275.

It is an arithmetic number, because the mean of its divisors is an integer number (1063274302440).

Almost surely, 2^{21031431041114} is an apocalyptic number.

21031431041114 is a deficient number, since it is larger than the sum of its proper divisors (12993346636966).

21031431041114 is a wasteful number, since it uses less digits than its factorization.

21031431041114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122294.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 21031431041114 its reverse (41114013413012), we get a palindrome (62145444454126).

The spelling of 21031431041114 in words is "twenty-one trillion, thirty-one billion, four hundred thirty-one million, forty-one thousand, one hundred fourteen".