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1204030657831 is a prime number
BaseRepresentation
bin10001100001010101110…
…100011101010100100111
311021002210222002202001211
4101201111310131110213
5124211323322022311
62321042443332251
7152663000505031
oct21412564352447
94232728082054
101204030657831
11424698a0aa71
12175423521087
1389702681941
14423bd97cc51
15214bd9b9821
hex11855d1d527

1204030657831 has 2 divisors, whose sum is σ = 1204030657832. Its totient is φ = 1204030657830.

The previous prime is 1204030657829. The next prime is 1204030657861. The reversal of 1204030657831 is 1387560304021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1204030657831 - 21 = 1204030657829 is a prime.

It is a super-2 number, since 2×12040306578312 (a number of 25 digits) contains 22 as substring.

Together with 1204030657829, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1204030657801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602015328915 + 602015328916.

It is an arithmetic number, because the mean of its divisors is an integer number (602015328916).

Almost surely, 21204030657831 is an apocalyptic number.

1204030657831 is a deficient number, since it is larger than the sum of its proper divisors (1).

1204030657831 is an equidigital number, since it uses as much as digits as its factorization.

1204030657831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 1204030657831 in words is "one trillion, two hundred four billion, thirty million, six hundred fifty-seven thousand, eight hundred thirty-one".