31403016053121 has 32 divisors (see below), whose sum is σ = 42364931328000. Its totient is φ = 20689021828800.

The previous prime is 31403016053119. The next prime is 31403016053161. The reversal of 31403016053121 is 12135061030413.

It is not a de Polignac number, because 31403016053121 - 2¹ = 31403016053119 is a prime.

It is a super-2 number, since 2×31403016053121² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31403016053161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 768775720 + ... + 768816566.

It is an arithmetic number, because the mean of its divisors is an integer number (1323904104000).

Almost surely, 2^{31403016053121} is an apocalyptic number.

It is an amenable number.

31403016053121 is a deficient number, since it is larger than the sum of its proper divisors (10961915274879).

31403016053121 is a wasteful number, since it uses less digits than its factorization.

31403016053121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45669.

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 31403016053121 its reverse (12135061030413), we get a palindrome (43538077083534).

The spelling of 31403016053121 in words is "thirty-one trillion, four hundred three billion, sixteen million, fifty-three thousand, one hundred twenty-one".