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31023220030099 = 1131155835838233
BaseRepresentation
bin1110000110111001010000…
…00000100111101010010011
311001211210100112200221002221
413003130220000213222103
513031241023311430344
6145551512011321511
76351232212215053
oct703345000475223
9131753315627087
1031023220030099
119980967a2a270
123590611750297
13144062824526b
147937635d9563
1538beb9d14184
hex1c3728027a93

31023220030099 has 16 divisors (see below), whose sum is σ = 34937486843904. Its totient is φ = 27291399307200.

The previous prime is 31023220030087. The next prime is 31023220030111. The reversal of 31023220030099 is 99003002232013.

It is an interprime number because it is at equal distance from previous prime (31023220030087) and next prime (31023220030111).

It is a cyclic number.

It is not a de Polignac number, because 31023220030099 - 25 = 31023220030067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31023220030039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2394687 + ... + 8232919.

It is an arithmetic number, because the mean of its divisors is an integer number (2183592927744).

Almost surely, 231023220030099 is an apocalyptic number.

31023220030099 is a deficient number, since it is larger than the sum of its proper divisors (3914266813805).

31023220030099 is a wasteful number, since it uses less digits than its factorization.

31023220030099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5853858.

The product of its (nonzero) digits is 17496, while the sum is 34.

The spelling of 31023220030099 in words is "thirty-one trillion, twenty-three billion, two hundred twenty million, thirty thousand, ninety-nine".

Divisors: 1 11 31 341 15583 171413 483073 5313803 5838233 64220563 180985223 1990837453 90977184839 1000749033229 2820292730009 31023220030099