31449285969 has 8 divisors (see below), whose sum is σ = 42347553792. Its totient is φ = 20758604400.

The previous prime is 31449285953. The next prime is 31449285979. The reversal of 31449285969 is 96958294413.

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

It is not a de Polignac number, because 31449285969 - 2⁴ = 31449285953 is a prime.

It is a super-2 number, since 2×31449285969² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31449285979) 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, 51896209 + ... + 51896814.

It is an arithmetic number, because the mean of its divisors is an integer number (5293444224).

Almost surely, 2^31449285969 is an apocalyptic number.

It is an amenable number.

31449285969 is a deficient number, since it is larger than the sum of its proper divisors (10898267823).

31449285969 is a wasteful number, since it uses less digits than its factorization.

31449285969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103793127.

The product of its digits is 16796160, while the sum is 60.

The spelling of 31449285969 in words is "thirty-one billion, four hundred forty-nine million, two hundred eighty-five thousand, nine hundred sixty-nine".