31404241869 has 48 divisors (see below), whose sum is σ = 56646151296. Its totient is φ = 15058961280.

The previous prime is 31404241867. The next prime is 31404241877. The reversal of 31404241869 is 96814240413.

It is not a de Polignac number, because 31404241869 - 2¹ = 31404241867 is a prime.

It is a super-2 number, since 2×31404241869² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31404241869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31404241861) 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 47 ways as a sum of consecutive naturals, for example, 442314 + ... + 508379.

It is an arithmetic number, because the mean of its divisors is an integer number (1180128152).

Almost surely, 2^31404241869 is an apocalyptic number.

31404241869 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

31404241869 is a deficient number, since it is larger than the sum of its proper divisors (25241909427).

31404241869 is a wasteful number, since it uses less digits than its factorization.

31404241869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950738 (or 950727 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 31404241869 in words is "thirty-one billion, four hundred four million, two hundred forty-one thousand, eight hundred sixty-nine".