31454361145 has 8 divisors (see below), whose sum is σ = 38042440704. Its totient is φ = 24965350704.

The previous prime is 31454361139. The next prime is 31454361151. The reversal of 31454361145 is 54116345413.

It is an interprime number because it is at equal distance from previous prime (31454361139) and next prime (31454361151).

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

It is a cyclic number.

It is not a de Polignac number, because 31454361145 - 2⁹ = 31454360633 is a prime.

It is a super-2 number, since 2×31454361145² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24766579 + ... + 24767848.

It is an arithmetic number, because the mean of its divisors is an integer number (4755305088).

Almost surely, 2^31454361145 is an apocalyptic number.

It is an amenable number.

31454361145 is a deficient number, since it is larger than the sum of its proper divisors (6588079559).

31454361145 is a wasteful number, since it uses less digits than its factorization.

31454361145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49534559.

The product of its digits is 86400, while the sum is 37.

The spelling of 31454361145 in words is "thirty-one billion, four hundred fifty-four million, three hundred sixty-one thousand, one hundred forty-five".