31441653069 has 4 divisors (see below), whose sum is σ = 41922204096. Its totient is φ = 20961102044.

The previous prime is 31441653049. The next prime is 31441653071. The reversal of 31441653069 is 96035614413.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31441653069 - 2¹⁷ = 31441521997 is a prime.

It is a super-2 number, since 2×31441653069² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 31441653069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31441653049) 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, 5240275509 + ... + 5240275514.

It is an arithmetic number, because the mean of its divisors is an integer number (10480551024).

Almost surely, 2^31441653069 is an apocalyptic number.

It is an amenable number.

31441653069 is a deficient number, since it is larger than the sum of its proper divisors (10480551027).

31441653069 is a wasteful number, since it uses less digits than its factorization.

31441653069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10480551026.

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 31441653069 in words is "thirty-one billion, four hundred forty-one million, six hundred fifty-three thousand, sixty-nine".