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5215310431 is a prime number
BaseRepresentation
bin1001101101101101…
…10101001001011111
3111110110112012221121
410312312311021133
541140104413211
62221302111411
7243145256452
oct46666651137
914413465847
105215310431
1122369a7a11
12101671b567
13651646906
1437690b499
15207cd7271
hex136db525f

5215310431 has 2 divisors, whose sum is σ = 5215310432. Its totient is φ = 5215310430.

The previous prime is 5215310297. The next prime is 5215310447. The reversal of 5215310431 is 1340135125.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5215310431 - 29 = 5215309919 is a prime.

It is a super-2 number, since 2×52153104312 = 54398925783394811522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5215310396 and 5215310405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5215310831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2607655215 + 2607655216.

It is an arithmetic number, because the mean of its divisors is an integer number (2607655216).

Almost surely, 25215310431 is an apocalyptic number.

5215310431 is a deficient number, since it is larger than the sum of its proper divisors (1).

5215310431 is an equidigital number, since it uses as much as digits as its factorization.

5215310431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 5215310431 is about 72217.1062214487. The cubic root of 5215310431 is about 1734.1768643981.

Adding to 5215310431 its reverse (1340135125), we get a palindrome (6555445556).

The spelling of 5215310431 in words is "five billion, two hundred fifteen million, three hundred ten thousand, four hundred thirty-one".