31441612469 has 4 divisors (see below), whose sum is σ = 31446736896. Its totient is φ = 31436488044.

The previous prime is 31441612441. The next prime is 31441612481. The reversal of 31441612469 is 96421614413.

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, and also an emirpimes, since its reverse is a distinct semiprime: 96421614413 = 41 ⋅2351746693.

It is a cyclic number.

It is not a de Polignac number, because 31441612469 - 2³² = 27146645173 is a prime.

It is a super-2 number, since 2×31441612469² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31441612369) 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, 2552999 + ... + 2565284.

It is an arithmetic number, because the mean of its divisors is an integer number (7861684224).

Almost surely, 2^31441612469 is an apocalyptic number.

It is an amenable number.

31441612469 is a deficient number, since it is larger than the sum of its proper divisors (5124427).

31441612469 is an equidigital number, since it uses as much as digits as its factorization.

31441612469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5124426.

The product of its digits is 124416, while the sum is 41.

The spelling of 31441612469 in words is "thirty-one billion, four hundred forty-one million, six hundred twelve thousand, four hundred sixty-nine".