31434011411021 has 4 divisors (see below), whose sum is σ = 31434043477500. Its totient is φ = 31433979344544.

The previous prime is 31434011410979. The next prime is 31434011411057. The reversal of 31434011411021 is 12011411043413.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9818383564900 + 21615627846121 = 3133430^2 + 4649261^2 .

It is a cyclic number.

It is not a de Polignac number, because 31434011411021 - 2²⁶ = 31433944302157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31434011411071) 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, 14514896 + ... + 16539353.

It is an arithmetic number, because the mean of its divisors is an integer number (7858510869375).

Almost surely, 2^{31434011411021} is an apocalyptic number.

It is an amenable number.

31434011411021 is a deficient number, since it is larger than the sum of its proper divisors (32066479).

31434011411021 is a wasteful number, since it uses less digits than its factorization.

31434011411021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32066478.

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

Adding to 31434011411021 its reverse (12011411043413), we get a palindrome (43445422454434).

The spelling of 31434011411021 in words is "thirty-one trillion, four hundred thirty-four billion, eleven million, four hundred eleven thousand, twenty-one".