31404311003411 has 4 divisors (see below), whose sum is σ = 31715244775824. Its totient is φ = 31093377231000.

The previous prime is 31404311003407. The next prime is 31404311003431. The reversal of 31404311003411 is 11430011340413.

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

It is a cyclic number.

It is not a de Polignac number, because 31404311003411 - 2² = 31404311003407 is a prime.

It is a super-2 number, since 2×31404311003411² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31404311003431) 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, 155466886055 + ... + 155466886256.

It is an arithmetic number, because the mean of its divisors is an integer number (7928811193956).

Almost surely, 2^{31404311003411} is an apocalyptic number.

31404311003411 is a deficient number, since it is larger than the sum of its proper divisors (310933772413).

31404311003411 is a wasteful number, since it uses less digits than its factorization.

31404311003411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310933772412.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 31404311003411 its reverse (11430011340413), we get a palindrome (42834322343824).

The spelling of 31404311003411 in words is "thirty-one trillion, four hundred four billion, three hundred eleven million, three thousand, four hundred eleven".