3123451314505 has 32 divisors (see below), whose sum is σ = 3983483992320. Its totient is φ = 2342970255360.

The previous prime is 3123451314463. The next prime is 3123451314611. The reversal of 3123451314505 is 5054131543213.

It is not a de Polignac number, because 3123451314505 - 2¹⁹ = 3123450790217 is a prime.

It is a super-2 number, since 2×3123451314505² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192003382 + ... + 192019648.

It is an arithmetic number, because the mean of its divisors is an integer number (124483874760).

Almost surely, 2^{3123451314505} is an apocalyptic number.

It is an amenable number.

3123451314505 is a deficient number, since it is larger than the sum of its proper divisors (860032677815).

3123451314505 is a wasteful number, since it uses less digits than its factorization.

3123451314505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24609.

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 3123451314505 its reverse (5054131543213), we get a palindrome (8177582857718).

The spelling of 3123451314505 in words is "three trillion, one hundred twenty-three billion, four hundred fifty-one million, three hundred fourteen thousand, five hundred five".