31402011999 has 64 divisors (see below), whose sum is σ = 45098074112. Its totient is φ = 19399564800.

The previous prime is 31402011983. The next prime is 31402012001. The reversal of 31402011999 is 99911020413.

It is not a de Polignac number, because 31402011999 - 2⁴ = 31402011983 is a prime.

It is a super-3 number, since 3×31402011999³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31402011299) 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 63 ways as a sum of consecutive naturals, for example, 79098069 + ... + 79098465.

It is an arithmetic number, because the mean of its divisors is an integer number (704657408).

Almost surely, 2^31402011999 is an apocalyptic number.

31402011999 is a deficient number, since it is larger than the sum of its proper divisors (13696062113).

31402011999 is a wasteful number, since it uses less digits than its factorization.

31402011999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776.

The product of its (nonzero) digits is 17496, while the sum is 39.

The spelling of 31402011999 in words is "thirty-one billion, four hundred two million, eleven thousand, nine hundred ninety-nine".