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311244020220425 = 52128931913026783
BaseRepresentation
bin100011011000100110010010…
…1010000111000001000001001
31111211000122012220200211211012
41012301030211100320020021
5311243410223134023200
63021543310132013305
7122362431653422445
oct10661144520701011
91454018186624735
10311244020220425
1190198936332796
122aaa9214761235
1310489253a7b836
1456c0410555825
1525eb287d90a35
hex11b1325438209

311244020220425 has 24 divisors (see below), whose sum is σ = 386363166174720. Its totient is φ = 248723994780800.

The previous prime is 311244020220401. The next prime is 311244020220449. The reversal of 311244020220425 is 524022020442113.

It is an interprime number because it is at equal distance from previous prime (311244020220401) and next prime (311244020220449).

It is not a de Polignac number, because 311244020220425 - 234 = 311226840351241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 311244020220391 and 311244020220400.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101316584 + ... + 104343366.

It is an arithmetic number, because the mean of its divisors is an integer number (16098465257280).

Almost surely, 2311244020220425 is an apocalyptic number.

It is an amenable number.

311244020220425 is a deficient number, since it is larger than the sum of its proper divisors (75119145954295).

311244020220425 is a wasteful number, since it uses less digits than its factorization.

311244020220425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3031273 (or 3031268 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 311244020220425 its reverse (524022020442113), we get a palindrome (835266040662538).

The spelling of 311244020220425 in words is "three hundred eleven trillion, two hundred forty-four billion, twenty million, two hundred twenty thousand, four hundred twenty-five".

Divisors: 1 5 25 1289 3191 6445 15955 32225 79775 3026783 4113199 15133915 20565995 75669575 102829975 3901523287 9658464553 19507616435 48292322765 97538082175 241461613825 12449760808817 62248804044085 311244020220425