31400460011 has 4 divisors (see below), whose sum is σ = 33247545912. Its totient is φ = 29553374112.

The previous prime is 31400459969. The next prime is 31400460023. The reversal of 31400460011 is 11006400413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11006400413 = 93307 ⋅117959.

It is a cyclic number.

It is not a de Polignac number, because 31400460011 - 2¹⁰ = 31400458987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31400460041) 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, 923542925 + ... + 923542958.

It is an arithmetic number, because the mean of its divisors is an integer number (8311886478).

Almost surely, 2^31400460011 is an apocalyptic number.

31400460011 is a deficient number, since it is larger than the sum of its proper divisors (1847085901).

31400460011 is a wasteful number, since it uses less digits than its factorization.

31400460011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847085900.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 31400460011 its reverse (11006400413), we get a palindrome (42406860424).

The spelling of 31400460011 in words is "thirty-one billion, four hundred million, four hundred sixty thousand, eleven".