31439474853 has 8 divisors (see below), whose sum is σ = 41924066016. Its totient is φ = 20957266800.

The previous prime is 31439474851. The next prime is 31439474861. The reversal of 31439474853 is 35847493413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31439474853 - 2¹ = 31439474851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31439474796 and 31439474805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31439474851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 564763 + ... + 617928.

It is an arithmetic number, because the mean of its divisors is an integer number (5240508252).

Almost surely, 2^31439474853 is an apocalyptic number.

It is an amenable number.

31439474853 is a deficient number, since it is larger than the sum of its proper divisors (10484591163).

31439474853 is a wasteful number, since it uses less digits than its factorization.

31439474853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191555.

The product of its digits is 4354560, while the sum is 51.

The spelling of 31439474853 in words is "thirty-one billion, four hundred thirty-nine million, four hundred seventy-four thousand, eight hundred fifty-three".