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31031030419 is a prime number
BaseRepresentation
bin11100111001100101…
…111111001010010011
32222002121100200012221
4130321211333022103
51002022420433134
622131102401511
72145656256304
oct347145771223
988077320187
1031031030419
1112184231494
126020290297
132c06b7827c
1417053527ab
15c193d95b4
hex73997f293

31031030419 has 2 divisors, whose sum is σ = 31031030420. Its totient is φ = 31031030418.

The previous prime is 31031030357. The next prime is 31031030447. The reversal of 31031030419 is 91403013013.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31031030419 - 29 = 31031029907 is a prime.

It is a super-2 number, since 2×310310304192 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31031030393 and 31031030402.

It is not a weakly prime, because it can be changed into another prime (31031030449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15515515209 + 15515515210.

It is an arithmetic number, because the mean of its divisors is an integer number (15515515210).

Almost surely, 231031030419 is an apocalyptic number.

31031030419 is a deficient number, since it is larger than the sum of its proper divisors (1).

31031030419 is an equidigital number, since it uses as much as digits as its factorization.

31031030419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 25.

The spelling of 31031030419 in words is "thirty-one billion, thirty-one million, thirty thousand, four hundred nineteen".