5151345231 has 4 divisors (see below), whose sum is σ = 6868460312. Its totient is φ = 3434230152.

The previous prime is 5151345203. The next prime is 5151345233. The reversal of 5151345231 is 1325431515.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5151345231 - 2⁷ = 5151345103 is a prime.

It is a super-2 number, since 2×5151345231² = 53072715377892886722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5151345233) 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, 858557536 + ... + 858557541.

It is an arithmetic number, because the mean of its divisors is an integer number (1717115078).

Almost surely, 2^5151345231 is an apocalyptic number.

5151345231 is a deficient number, since it is larger than the sum of its proper divisors (1717115081).

5151345231 is a wasteful number, since it uses less digits than its factorization.

5151345231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717115080.

The product of its digits is 9000, while the sum is 30.

The square root of 5151345231 is about 71772.8725285536. The cubic root of 5151345231 is about 1727.0578514252.

Adding to 5151345231 its reverse (1325431515), we get a palindrome (6476776746).

The spelling of 5151345231 in words is "five billion, one hundred fifty-one million, three hundred forty-five thousand, two hundred thirty-one".