31400403534111 has 32 divisors (see below), whose sum is σ = 43416250560000. Its totient is φ = 20162625759360.

The previous prime is 31400403534107. The next prime is 31400403534113. The reversal of 31400403534111 is 11143530400413.

It is not a de Polignac number, because 31400403534111 - 2² = 31400403534107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31400403534113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102171006 + ... + 102477876.

It is an arithmetic number, because the mean of its divisors is an integer number (1356757830000).

Almost surely, 2^{31400403534111} is an apocalyptic number.

31400403534111 is a deficient number, since it is larger than the sum of its proper divisors (12015847025889).

31400403534111 is a wasteful number, since it uses less digits than its factorization.

31400403534111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309759.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 31400403534111 its reverse (11143530400413), we get a palindrome (42543933934524).

The spelling of 31400403534111 in words is "thirty-one trillion, four hundred billion, four hundred three million, five hundred thirty-four thousand, one hundred eleven".