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10203131020331 is a prime number
BaseRepresentation
bin1001010001111001101000…
…0000000000010000101011
31100010102001202002020202202
42110132122000000100223
52314132003020122311
633411130443450415
72102103045464414
oct224363200002053
940112052066682
1010203131020331
11328413a514127
121189527b26a0b
135901c7043c42
14273b96da080b
1512a6181dbe3b
hex9479a00042b

10203131020331 has 2 divisors, whose sum is σ = 10203131020332. Its totient is φ = 10203131020330.

The previous prime is 10203131020319. The next prime is 10203131020367. The reversal of 10203131020331 is 13302013130201.

It is a weak prime.

It is an emirp because it is prime and its reverse (13302013130201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10203131020331 - 222 = 10203126826027 is a prime.

It is a super-2 number, since 2×102031310203312 (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10203131020631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101565510165 + 5101565510166.

It is an arithmetic number, because the mean of its divisors is an integer number (5101565510166).

Almost surely, 210203131020331 is an apocalyptic number.

10203131020331 is a deficient number, since it is larger than the sum of its proper divisors (1).

10203131020331 is an equidigital number, since it uses as much as digits as its factorization.

10203131020331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 10203131020331 its reverse (13302013130201), we get a palindrome (23505144150532).

The spelling of 10203131020331 in words is "ten trillion, two hundred three billion, one hundred thirty-one million, twenty thousand, three hundred thirty-one".