2451312313345 has 48 divisors (see below), whose sum is σ = 3615142026240. Its totient is φ = 1588406999424.

The previous prime is 2451312313253. The next prime is 2451312313349. The reversal of 2451312313345 is 5433132131542.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2451312313345 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2451312313349) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3336409 + ... + 4004278.

It is an arithmetic number, because the mean of its divisors is an integer number (75315458880).

Almost surely, 2^{2451312313345} is an apocalyptic number.

It is an amenable number.

2451312313345 is a deficient number, since it is larger than the sum of its proper divisors (1163829712895).

2451312313345 is a wasteful number, since it uses less digits than its factorization.

2451312313345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7340782 (or 7340775 counting only the distinct ones).

The product of its digits is 129600, while the sum is 37.

Adding to 2451312313345 its reverse (5433132131542), we get a palindrome (7884444444887).

The spelling of 2451312313345 in words is "two trillion, four hundred fifty-one billion, three hundred twelve million, three hundred thirteen thousand, three hundred forty-five".