31403043324411 has 48 divisors (see below), whose sum is σ = 47764228334592. Its totient is φ = 18199033617600.

The previous prime is 31403043324377. The next prime is 31403043324431. The reversal of 31403043324411 is 11442334030413.

It is not a de Polignac number, because 31403043324411 - 2¹⁹ = 31403042800123 is a prime.

It is a super-2 number, since 2×31403043324411² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (31403043324431) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56511126 + ... + 57064116.

It is an arithmetic number, because the mean of its divisors is an integer number (995088090304).

Almost surely, 2^{31403043324411} is an apocalyptic number.

31403043324411 is a deficient number, since it is larger than the sum of its proper divisors (16361185010181).

31403043324411 is a wasteful number, since it uses less digits than its factorization.

31403043324411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556304 (or 556281 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 31403043324411 its reverse (11442334030413), we get a palindrome (42845377354824).

The spelling of 31403043324411 in words is "thirty-one trillion, four hundred three billion, forty-three million, three hundred twenty-four thousand, four hundred eleven".