31486034292 has 12 divisors (see below), whose sum is σ = 73467413376. Its totient is φ = 10495344760.

The previous prime is 31486034291. The next prime is 31486034369. The reversal of 31486034292 is 29243068413.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31486034291) 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, 1311918084 + ... + 1311918107.

It is an arithmetic number, because the mean of its divisors is an integer number (6122284448).

Almost surely, 2^31486034292 is an apocalyptic number.

It is an amenable number.

31486034292 is an abundant number, since it is smaller than the sum of its proper divisors (41981379084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31486034292 is a wasteful number, since it uses less digits than its factorization.

31486034292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2623836198 (or 2623836196 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 31486034292 in words is "thirty-one billion, four hundred eighty-six million, thirty-four thousand, two hundred ninety-two".